WO2016179866A1

WO2016179866A1 - Method and system for updating smart card of mobile terminal

Info

Publication number: WO2016179866A1
Application number: PCT/CN2015/080794
Authority: WO
Inventors: 覃磊; 丛文
Original assignee: 中兴通讯股份有限公司
Priority date: 2015-05-13
Filing date: 2015-06-04
Publication date: 2016-11-17
Also published as: CN106304034A

Abstract

A method and system for updating a smart card of a mobile terminal, comprising: a mobile terminal receiving updated contents of a smart card via a BIP; and storing the updated contents according to the type of the updated contents and a required storage space, wherein the type of the updated contents comprises a smart card file identified by a file identification number and information not identified by the file identification number.

Description

Method and system for updating mobile terminal smart card

Technical field

This paper relates to the field of mobile communications, and in particular, to a method and system for updating a smart card of a mobile terminal.

Background technique

At present, a considerable number of mobile terminals are separated by a card, that is, the user can use different mobile phone numbers by replacing a smart card, such as a Subscriber Identity Module (SIM) or a User Identity Module (UIM) card. the goal of. The SIM card is also called a user identification card. The digital mobile terminal of the Global System for Mobile Communication (GSM) standard must be installed with a SIM card. The SIM card stores the information, key and other contents of the digital mobile terminal client on a computer chip, which can be used for authenticating the user identity of the GSM network and encrypting the voice information of the user during the call. UIM is a mobile communication terminal user identification and encryption technology advocated by China Unicom and supported by the International Code Division Multiple Access (CDMA) (CDMA Development Group). UIM supports dedicated authentication encryption algorithms and over-the-air technology (OTA), which can update and manage data on UIM cards through wireless air interface. The function of the UIM card is similar to the SIM card used in the GSM mobile phone. It can perform user identification and communication encryption, and can also store personal information such as phone numbers, business card holders, and short messages. Hereinafter, the SIM card and the UIM card are collectively referred to as a smart card.

With the continuous upgrading of the network, the update interval between the second generation mobile communication technology (2G), the third generation mobile communication technology (3G), and the fourth generation mobile communication technology (4G) is getting shorter and shorter. In general, network upgrades drive the replacement of mobile terminals and smart cards. At present, the smart card used in the 4G network has a larger storage space and a more secure authentication and encryption scheme than the smart card of the 2G/3G network. In the current situation, the network is upgraded to 4G. If users want to enjoy the convenience brought by 4G network, they need to go to the business hall to replace the smart card that supports 4G network, or replace the smart card after making an online reservation. inconvenient.

Summary of the invention

The embodiment of the invention provides a method and a system for updating a smart card of a mobile terminal, and solves the problem that the smart card of the mobile terminal needs to be replaced in the related art to solve the problem of updating the smart card when the mobile network is replaced.

A method for updating a smart card of a mobile terminal, comprising: receiving, by a mobile terminal, an update content of a smart card by using a Bearer Independent Protocol (BIP); and performing the update content according to the type of the updated content and a required storage space Storage, wherein the type of the updated content includes a smart card file identified by a file identification number and information not identified by a file identification number.

Optionally, before the mobile terminal receives the updated content of the smart card by using the BIP, the method further includes: initiating a remote update smart card request to the server.

Optionally, before the mobile terminal receives the updated content of the smart card by using the BIP, the method further includes: receiving a notification of the remote update smart card sent by the server.

Optionally, storing the updated content according to the type of the updated content and the required storage space, including:

When the updated content of the smart card is a smart card file whose file identification number already exists on the smart, and the storage space required by the smart card file is the same as the storage space occupied by the original file on the smart card corresponding to the file identification number, The smart card file updates the original file on the smart card corresponding to the file identification number.

When the updated content of the smart card is a smart card file whose file identification number already exists on the smart card, and the storage space required by the smart card file is inconsistent with the storage space occupied by the original file on the smart card corresponding to the file identification number, The original file on the smart card corresponding to the file identification number is set with a special flag for indicating that the smart card file is stored to the selected storage location, and the selected storage location is a storage location other than the smart card;

The smart card file is stored to the selected storage location.

When the updated content of the smart card is a smart card file whose file identification number does not exist on the smart card, and the storage space required by the smart card file is not greater than the storage space size of the selected storage location, the smart card file is stored to The selected storage location, the selected storage location being a storage location other than the smart card.

Optionally, before storing the smart card file to the selected storage location, the method further includes: saving the identification information of the smart card to the selected storage location.

Optionally, the selected storage location comprises a flash memory T card or a memory of the mobile terminal.

When the updated content of the smart card is information that is not identified by the file identification number, the original information corresponding to the smart card is updated with the information not identified by the file identification number.

Optionally, the smart card comprises a customer identification module SIM card or a user identification module UIM card.

Optionally, the information not identified by the file identification number includes encryption information or authentication information.

A system for updating a smart card of a mobile terminal, configured on the mobile terminal, includes:

a receiving module configured to receive an update of the smart card through the BIP;

a storage module, configured to store the updated content according to the type of the updated content and a required storage space, where the type of the updated content includes a smart card file identified by a file identification number and a file identification number Identification information.

Optionally, the system further includes: a sending module, configured to initiate a remote update smart card request to the server before the receiving module receives the updated content of the smart card through the BIP.

Optionally, the receiving module is further configured to receive a notification of the remote update smart card sent by the server before receiving the updated content of the smart card by using the BIP.

Optionally, the storage module is configured to:

When the updated content of the smart card is a smart card file whose file identification number already exists on the smart card, and the required storage space size of the smart card file is on the smart card corresponding to the file identification number When the storage space occupied by the original file is the same, the smart card file is used to update the original file on the smart card corresponding to the file identification number.

Optionally, the system further includes: a processing module, configured to: when the updated content of the smart card is a smart card file whose file identification number already exists on the smart card, and the storage space size and the file identifier required by the smart card file If the storage space occupied by the original file on the smart card corresponding to the number is inconsistent, the original file on the smart card corresponding to the file identification number is cleared, and a special flag is set to indicate that the smart card file is stored to the selected storage location, and the selected storage location is a storage bit other than the smart card;

The storage module is configured to store the smart card file to the storage location.

Optionally, the storage module is configured to: when the updated content of the smart card is a smart card file whose file identification number does not exist on the smart card, and the storage space required by the smart card file is not greater than the selected storage location The smart card file is stored to the storage location when the storage space is sized, and the selected storage location is a storage bit other than the smart card.

Optionally, the storage module is further configured to save the identification information of the smart card to the storage location before storing the smart card file to the storage location.

Optionally, the storage location comprises a flash memory T card or a memory of the mobile terminal.

Optionally, the storage module is configured to: when the updated content of the smart card is information that is not identified by the file identification number, update the corresponding original information on the smart card by using the information that is not identified by the file identification number.

A computer readable storage medium storing program instructions that, when executed, implement the methods described above.

In the embodiment of the present invention, the mobile terminal receives the updated content of the smart card through the BIP; stores the updated content according to the type of the updated content and the required storage space, where the type of the updated content includes the smart card file identified by the file identification number. And information not identified by the file identification number. In the present invention, the mobile terminal can apply for remote update of the smart card (such as a SIM card) through the BIP, and the The new content is stored, so that the user can upgrade the SIM card to the latest state without going to the business hall or making an appointment to change the card, thereby solving the SIM card update problem brought by the mobile network replacement, and reducing the trouble of the user replacing the SIM card. , improved user experience.

BRIEF abstract

FIG. 1 is a flowchart of a method for updating a smart card according to an embodiment of the present invention;

2 is a flowchart of a method for updating a SIM card according to Embodiment 1 of the present invention;

3 is a flowchart of a method for updating a SIM card according to Embodiment 2 of the present invention;

4 is a flowchart of a process for a mobile terminal to read and write a SIM card after the SIM card is updated, according to an embodiment of the present invention;

FIG. 5 is a flowchart of processing of a mobile terminal after a user replaces a new SIM card according to an embodiment of the present invention; FIG.

FIG. 6 is a schematic structural diagram of a system for updating a smart card according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.

Embodiments of the invention

The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

FIG. 1 is a flowchart of a method for updating a smart card according to an embodiment of the present invention. As shown in FIG. 1 , a method for updating a smart card according to an embodiment of the present invention includes the following steps:

Step 11: The mobile terminal receives the updated content of the smart card through the BIP.

In this embodiment, the mobile terminal is, for example, a mobile phone.

In this embodiment, the smart card may include a SIM card or a UIM card. However, the present invention is not limited thereto. In other embodiments, the smart card may also be other types of Universal Integrated Circuit Card (UICC) or Integrated Circuit Card (ICC).

Here, taking the SIM card as an example, the BIP provides a data interaction mechanism between the SIM card and the network. Through BIP, a data channel can be established between the server, the mobile terminal and the SIM card for data transmission. For example, the updated content of the SIM card is downloaded from the server to the mobile terminal, and then the updated content is forwarded to the SIM card by the mobile terminal.

In an embodiment, before step 11, the method further comprises: initiating a remote update smart card request to the server.

In an embodiment, before step 11, the method further includes: receiving a notification of the remote update smart card sent by the server.

Step 12: Store the updated content according to the type of the updated content and the required storage space, where the type of the updated content includes a smart card file identified by a file identification number, and information not identified by a file identification number. .

The smart card file identified by the file identification number may include an IMSI file EFIMSI (7F206F07) in the gsm directory, an ARR file EFRAR (7FFF 6F06) in the csim directory, and the like, and the information not identified by the file identification number may include authentication or The encryption information may include an authentication algorithm and an authentication key, and the encryption information may include an encryption algorithm and an encryption key.

When the updated content of the smart card is information that is not identified by the file identification number, the storing the updated content means: updating the original information corresponding to the smart card by using the information not identified by the file identification number. If the smart card storage space is insufficient to update the information, the related update content may be stored in the selected storage location, and the updated content is encrypted and protected to prevent leakage of the information.

When the updated content of the smart card is a smart card file that is already present on the smart card, and the storage space required by the smart card file is the same as the storage space occupied by the original file on the smart card corresponding to the file identification number. The storing the updated content means: updating the original file on the smart card corresponding to the file identification number by using the smart card file.

When the updated content of the smart card is a smart card file whose file identification number already exists on the smart card, and the storage space required by the smart card file is different from the storage space occupied by the original file on the smart card corresponding to the file identification number, The method further includes: clearing the original file on the smart card corresponding to the file identification number, and setting a special flag bit for indicating that the smart card file is stored to the selected storage location; of course, it is also possible to record directly in the terminal without setting a special flag bit. Wisdom The card file is stored to the selected storage location. In this way, if the mobile phone is reading and writing the smart card file, first go to the terminal to check whether the value of the card file exists in the selected storage location. If yes, get it directly from the selected storage location; if not, get it directly from the card.

If the storage space occupied by the original file on the smart card is not a fixed value, or the terminal has the right to modify the storage space occupied by the original file on the smart card, the updated smart card file may also be stored on the smart card if the smart card storage space is sufficient. .

When the updated content of the smart card is a smart card file whose file identification number does not exist on the smart card, and the storage space required by the smart card file is not greater than the storage space size of the selected storage location, the pair of the updated content Performing storage means storing the smart card file to the selected storage location.

Since the terminal generally does not have the right to create a smart card file on the smart card, when the update content is a smart card file whose file identification number does not exist on the smart card, the update content is stored to the selected storage location. If the terminal can obtain the permission to open a space on the smart card and create a new card file, the updated content can be directly stored on the smart card if the smart card space is sufficient. The selected storage location refers to a storage location other than the smart card, and may include a flash memory T card and a memory of the mobile terminal. However, the present invention is not limited thereto. In other embodiments, the storage location may also be other storable devices connected to the mobile terminal.

Here, before storing the smart card file to the storage location, the method further includes: saving the identification information of the smart card to the storage location. For example, the smart card is a SIM card, and the identification information of the SIM card is, for example, an integrated circuit card identifier (ICCID) of the SIM card. In this way, through the identification information of the SIM card, the unique mapping relationship between the SIM card update content stored in the storage location and the SIM card can be determined. Avoid the situation that the new SIM card and the original T card of the mobile terminal or the updated content stored in the memory are incorrectly mapped after the user replaces the SIM card, and the user avoids replacing the T card of the mobile terminal or replacing the mobile terminal, the new T An error mapping occurs between the card or mobile terminal memory and the original SIM card.

In addition, in this embodiment, when the updated content of the SIM card is important information, an encryption algorithm (such as a public security key algorithm with high security) may be used to encrypt and transmit the updated content of the SIM card. Specifically, the SIM card update content received by the mobile terminal through the BIP may be an updated content encrypted by using an encryption algorithm, and after the mobile terminal receives the encrypted SIM card update content, the decryption is further obtained. New content. In this way, leakage of important information is prevented and communication is secured. In addition, when the updated content of the SIM card is a file for setting an operation authority of an administrator (such as a SIM card manufacturer) in the SIM card, the SIM card manufacturer is required to open the corresponding permission in a special case.

Next, an embodiment of the present invention will be described in detail by taking a SIM card as an example.

FIG. 2 is a flowchart of a method for remotely updating a SIM card according to Embodiment 1 of the present invention. In this embodiment, the mobile terminal is, for example, a mobile phone. As shown in FIG. 2, the method for remotely updating a SIM card provided by Embodiment 1 of the present invention includes the following steps:

Step 101: The user opens the function of remotely updating the SIM card in the setting function of the mobile phone, and then proceeds to step 102;

Step 102: The mobile phone pops up prompt: using this function, it may occupy part of the T card or the memory space of the mobile phone, whether to agree; if the user chooses to agree, the process proceeds to step 103; if the user chooses to disagree, the process ends;

Step 103: The mobile phone pops up a selection box: occupy T card space or mobile phone memory space, so that the user makes a selection, after the user makes a selection and determines, proceeds to step 104;

Step 104: The mobile phone sends a remote update SIM card request to the server, and starts a timer to prevent an abnormality on the network side, avoiding the situation that the mobile phone is always in a waiting state because the server has not replied to the mobile phone, and then proceeds to step 105;

Step 105: Determine whether the mobile phone receives a reply from the network side (server) before the timer expires, that is, the remote update SIM card notification, if yes, proceeds to step 107, if not, proceeds to step 106;

Step 106: The mobile phone prompts the user that the network is abnormal, the update is terminated, and the process ends.

Step 107: The network side replies whether it is necessary to update the SIM card, if the reply is yes, proceed to step 109, if the answer is no, proceed to step 108;

Step 108: The mobile phone prompts the user that the SIM card is in the latest state, and does not need to be updated, and the process ends;

Step 109: Start the BIP remote update SIM card process, proceed to step 110;

Step 110: Determine whether the update of the SIM card file identified by the file identification number, if yes, proceed to step 111, and if not, proceed to step 114;

Step 111: Determine whether the file identification number (ID) of the SIM card file to be updated is on the SIM card. Has already existed, if yes, proceed to step 115, if not, proceed to step 112;

Step 112: in the user selected T card or mobile phone memory to open a storage space for storing the contents of the new SIM card file, and proceeds to step 113;

Step 113: Determine whether the storage space on the T card or the phone memory is sufficient, if yes, proceed to step 117, and if not, proceed to step 124;

Step 114: Update the corresponding module on the SIM card, such as an authentication algorithm, etc., and then proceeds to step 121;

Step 115: determining whether the size of the storage space required to update the SIM card file is greater than the storage space occupied by the original SIM card file, if yes, proceed to step 116, and if not, proceed to step 119;

Step 116: Clear the original file content on the SIM card, and then set a special flag, so that the mobile phone knows that the updated SIM card file content needs to be acquired in the T card or the phone memory, after which, the process proceeds to step 120;

Step 117: determining whether it is the first time to store the updated content of the SIM card into the T card or the phone memory, if yes, proceed to step 118, and if not, proceed to step 120;

Step 118: Save the ICCID of the SIM card in the T card/phone memory, and then proceed to step 120;

Step 119: Update the file on the SIM card, after which, proceed to step 121;

Step 120: The updated content of the SIM card is stored in the T card or the machine memory, after which, proceeds to step 121;

Step 121: Determine whether the SIM card is updated successfully, if yes, proceed to step 122, and if not, proceed to step 123;

Step 122: Determine whether all SIM card data has been updated, if yes, proceed to step 125, and if not, proceed to step 109;

Step 123: If the update of the SIM card fails, the mobile phone prompts the user that the update fails, and the process ends;

Step 124: The mobile phone prompts the user that the storage space is insufficient, and the process ends.

Step 125: After the SIM card update is completed, the mobile phone prompts the user to update successfully, the mobile phone is about to restart, and the process ends.

FIG. 3 is a flowchart of a method for remotely updating a SIM card according to Embodiment 2 of the present invention. In this embodiment, the mobile terminal is, for example, a mobile phone. As shown in FIG. 3, the method for remotely updating a SIM card provided by Embodiment 2 of the present invention includes the following steps:

Step 201: When the server has the upgrade information of the SIM card, the server notifies the mobile phone in the form of a pp download message, and then proceeds to step 202;

Step 202: After receiving the short message, the mobile phone begins to remotely update the SIM card process, and proceeds to step 203;

Step 203: The mobile phone pops up prompt: The SIM card has an updated version. If it is updated, it may occupy part of the T card space or the mobile phone memory space, and whether it agrees to update. If the user agrees to update, the process proceeds to step 204. If the user does not agree to update, the process ends. ;

Step 204: The mobile phone pops up a selection box: occupy T card space or mobile phone memory space, so that the user makes a selection, after the user makes a selection and determines, proceeds to step 205;

Step 205: Start the BIP remote update SIM card process, proceeds to step 206;

Step 206: Determine whether the update of the SIM card file identified by the file identification number, if yes, proceed to step 207, and if not, proceed to step 210;

Step 207: Determine whether the file identification number (ID) of the SIM card file to be updated already exists on the SIM card, if yes, proceed to step 211, and if no, proceed to step 208;

Step 208: Open a storage space in the T card/phone memory selected by the user to store the contents of the newly added SIM card file, and proceed to step 209;

Step 209: Determine whether the storage space on the T card / mobile phone memory is sufficient, if yes, proceed to step 213, and if not, proceed to step 220;

Step 210: Update the corresponding module on the SIM card, such as an authentication algorithm, etc., and then proceeds to step 217;

Step 211: determining whether the size of the storage space required to update the SIM card file is greater than the storage space occupied by the original SIM card file, if yes, proceed to step 212, and if not, proceed to step 215;

Step 212: Clear the contents of the original file on the SIM card, and then set a special flag, so that the mobile phone knows that the updated SIM card file content needs to be acquired in the T card or the phone memory, and then proceeds to step 216;

Step 213: Determine whether it is the first time to store the updated content of the SIM card into the T card or the phone memory, if yes, proceed to step 214, and if not, proceed to step 216;

Step 214: Save the ICCID of the SIM card in the T card or the phone memory, after which, proceed to step 216;

Step 215: Update the file on the SIM card, after which, proceed to step 217;

Step 216: The updated content of the SIM card is stored in the T card or the phone memory, and then proceeds to step 217;

Step 217: Determine whether the SIM card is updated successfully, if yes, proceed to step 218, and if not, proceed to step 219;

Step 218: Determine whether all SIM card data has been updated, if yes, proceed to step 221, and if not, proceed to step 205;

Step 219: If the update of the SIM card fails, the mobile phone prompts the user that the update fails, and the process ends;

Step 220: The mobile phone prompts the user that the storage space is insufficient, and the process ends.

Step 221: After the SIM card update is completed, the mobile phone prompts the user to update successfully, the mobile phone is about to restart, and the process ends.

FIG. 4 is a flowchart of a process for a mobile terminal to read and write a SIM card after a remote update of the SIM card is completed according to an embodiment of the present invention. In this embodiment, the mobile terminal is, for example, a mobile phone. As shown in FIG. 4, the above processing flow includes the following steps:

Step 301: The mobile phone needs to read and write the SIM card, and proceeds to step 302;

Step 302: Query whether the remote update process of the SIM card has been successfully performed on the mobile phone, if yes, proceed to step 303, if no, proceed to step 310;

Step 303: Query the storage location of the updated content of the SIM card (T card or mobile phone memory), and then proceeds to step 304;

Step 304: Obtain the identification information of the saved SIM card, such as the ICCID, from the storage location of the updated content, and then proceeds to step 305;

Step 305: determining whether the ICCID stored on the SIM card and the ICCID stored in the storage location of the updated content are consistent, if yes, proceed to step 306, and if not, proceed to step 310;

Step 306: According to the file identification number of the SIM card file to be read and written, determine whether the SIM card file to be read and written can be found in the SIM card, if yes, proceed to step 307, and if not, proceed to step 308;

Step 307: determining whether the special flag is set in the content corresponding to the file identification number on the SIM card, if yes, proceeding to step 308, if not, proceeding to step 309;

Step 308: According to the file identification number, search for the corresponding SIM card file to the storage location (phone memory/T card), and perform a read/write operation, after which the process ends;

Step 309: directly read and write the file corresponding to the file identification number on the SIM card, and then the process ends;

Step 310: The SIM card is read and written without considering the update content of the SIM card stored in the storage location, and then the process ends.

FIG. 5 is a flowchart of processing of a mobile terminal after a user replaces a new SIM card according to a preferred embodiment of the present invention. In this embodiment, the mobile terminal is, for example, a mobile phone. As shown in FIG. 5, the above processing flow includes the following steps:

Step 401: The user inserts a new SIM card into the mobile phone, and the mobile phone is powered on, and then proceeds to step 402;

Step 402: Query whether the remote update process of the SIM card has been successfully performed on the mobile phone, if yes, proceed to step 403, if no, proceed to step 408;

Step 403: Query the storage location of the updated content of the SIM card (T card or mobile phone memory), and then proceeds to step 404;

Step 404: Obtain the identification information of the saved SIM card, such as the ICCID, from the storage location of the updated content, and then proceeds to step 405;

Step 405: Determine whether the ICCID stored on the SIM card and the ICCID stored in the storage location of the updated content are consistent, if yes, proceed to step 409, and if not, proceed to step 406;

Step 406: The mobile phone pops up a prompt box, asking the user whether it is necessary to clear the remote update content of the previous SIM card, if the selection is not cleared, then proceeds to step 408, otherwise proceeds to step 407;

Step 407: Clear the update content of the previous SIM card, proceed to step 410;

Step 408: Regardless of the updated content of the SIM card, the mobile phone is normally turned on, and the process ends;

Step 409: Considering the updated content of the SIM card, the mobile phone continues to be powered on, and the process ends;

Step 410: The mobile phone is normally turned on, and the process ends.

In addition, if the user replaces the mobile phone, simply insert the SIM card and the T card storing the updated content directly into the new mobile phone, and then use the latest state SIM card on the new mobile phone.

In addition, as shown in FIG. 6, the embodiment of the present invention further provides a system for remotely updating a smart card of a mobile terminal, which is disposed on the mobile terminal, and includes: a receiving module 60 configured to receive updated content of the smart card by using a BIP; and a storage module 61, The updated content is stored according to the type of the updated content and the required storage space, wherein the type of the updated content includes a smart card file identified by a file identification number and information not identified by a file identification number.

In an embodiment, the system further includes: a sending module 62, configured to initiate a remote update smart card request to the server before the receiving module receives the updated content of the smart card through the BIP.

In an embodiment, the receiving module 60 is further configured to receive a notification of the remote update smart card sent by the server before receiving the updated content of the smart card through the BIP.

In an embodiment, when the updated content of the smart card is information that is not identified by a file identification number (such as an algorithm or authentication information of a smart card), the storage module 61 is configured to store the updated content. Means: updating the corresponding original information on the smart card with the information not identified by the file identification number.

In an embodiment, when the updated content of the smart card is a smart card file whose file identification number already exists on the smart card, and the storage space required by the smart card file is occupied by the original file on the smart card corresponding to the file identification number. When the size of the space is the same, the storage module 61 is configured to store the updated content by replacing the original file on the smart card corresponding to the file identification number with the smart card file.

In an embodiment, the system further includes: a processing module 63, configured to: when the updated content of the smart card is a smart card file whose file identification number already exists on the smart card, and the storage space required by the smart card file is If the storage space occupied by the original file on the smart card corresponding to the file identification number is inconsistent, the original file on the smart card corresponding to the file identification number is cleared, and a special flag is set to indicate that the smart card file is stored to the selected storage location;

The storing module 61, configured to store the updated content, refers to: the smart card The file is stored to the storage location.

In an embodiment, when the updated content of the smart card is a smart card file whose file identification number does not exist on the smart card, and the storage space required by the smart card file is not greater than the storage space size of the selected storage location, The storing module 61, configured to store the updated content, refers to: storing the smart card file to the storage location.

The storage module 61 is further configured to save the identification information of the smart card to the storage location before storing the smart card file to the storage location.

Here, the storage location includes a flash memory T card and a memory of the mobile terminal. The smart card includes a customer identification module SIM card and a user identification module UIM card.

As shown in FIG. 7, the mobile terminal of the embodiment of the present invention includes a hardware processor 70 and a memory 71. The memory stores instructions that, when executed by the mobile terminal, enable the mobile terminal to perform the steps in the foregoing method embodiments.

In addition, the processing flow of the above system is the same as that described above, and thus will not be described again.

One of ordinary skill in the art will appreciate that all or a portion of the steps of the above-described embodiments can be implemented using a computer program flow, which can be stored in a computer readable storage medium, such as on a corresponding hardware platform (eg, The system, device, device, device, etc. are executed, and when executed, include one or a combination of the steps of the method embodiments.

Alternatively, all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve. The devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.

When the device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium. The above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

Industrial applicability

The embodiment of the present invention performs remote update of the smart card process through BIP, when the smart card is updated. When adding new content, the update content is stored in the T card or the mobile terminal memory that meets the storage space requirement. Thus, the user can upgrade the smart card to the latest state without replacing the smart card, thereby improving the user experience.

Claims

A method for updating a smart card of a mobile terminal, comprising:

The mobile terminal receives the updated content of the smart card by carrying a separate protocol BIP;

The updated content is stored according to the type of the updated content and the required storage space, wherein the type of the updated content includes a smart card file identified by a file identification number and information not identified by a file identification number.
The method of claim 1, before the mobile terminal receives the updated content of the smart card by using the BIP, the method further includes: initiating a remote update smart card request to the server.
The method of claim 1, before the mobile terminal receives the updated content of the smart card by using the BIP, the method further includes: receiving a notification of the remote update smart card sent by the server.
The method of claim 1, wherein: storing the updated content according to the type of the updated content and a required storage space comprises:

When the updated content of the smart card is a smart card file whose file identification number already exists on the smart, and the storage space required by the smart card file is the same as the storage space occupied by the original file on the smart card corresponding to the file identification number, The smart card file updates the original file on the smart card corresponding to the file identification number.
The method of claim 1, wherein: storing the updated content according to the type of the updated content and a required storage space comprises:

When the updated content of the smart card is a smart card file whose file identification number already exists on the smart card, and the storage space required by the smart card file is inconsistent with the storage space occupied by the original file on the smart card corresponding to the file identification number, The original file on the smart card corresponding to the file identification number is set with a special flag for indicating that the smart card file is stored to the selected storage location, and the selected storage location is a storage location other than the smart card;

The smart card file is stored to the selected storage location.
The method of claim 1, wherein: storing the updated content according to the type of the updated content and a required storage space comprises:

When the updated content of the smart card is a smart card text whose file identification number does not exist on the smart card And storing the smart card file to the selected storage location when the size of the storage space required by the smart card file is not greater than the storage space size of the selected storage location, the selected storage location being the smart card Storage location outside.
The method of claim 5 or 6, before storing the smart card file to the selected storage location, further comprising: saving the identification information of the smart card to the selected storage location.
The method of claim 7 wherein: said selecting a storage location comprises a flash memory T card or a memory of the mobile terminal.
The method of claim 1, wherein: storing the updated content according to the type of the updated content and a required storage space comprises:

When the updated content of the smart card is information that is not identified by the file identification number, the original information corresponding to the smart card is updated with the information not identified by the file identification number.
The method of claim 1 wherein said smart card comprises a customer identification module SIM card or a subscriber identity module UIM card.
The method of claim 1, wherein the information not identified by the file identification number comprises encrypted information or authentication information.
A system for updating a smart card of a mobile terminal, configured on the mobile terminal, includes:

a receiving module configured to receive an update of the smart card through the BIP;

a storage module, configured to store the updated content according to the type of the updated content and a required storage space, where the type of the updated content includes a smart card file identified by a file identification number and a file identification number Identification information.
The system of claim 12, further comprising: a transmitting module configured to initiate a remote update smart card request to the server before the receiving module receives the updated content of the smart card via the BIP.
The system of claim 12, wherein: said receiving module is further configured to receive a notification of a remotely updated smart card sent by the server prior to receiving the updated content of the smart card via the BIP.
The system of claim 12 wherein: said storage module is configured to:

When the updated content of the smart card is a smart card file whose file identification number already exists on the smart card, and the storage space required by the smart card file is the same as the storage space occupied by the original file on the smart card corresponding to the file identification number, The smart card file updates the original file on the smart card corresponding to the file identification number.
The system of claim 12, further comprising: a processing module configured to: when the updated content of the smart card is a smart card file whose file identification number already exists on the smart card, and the storage space size required by the smart card file If the storage space occupied by the original file on the smart card corresponding to the file identification number is inconsistent, the original file on the smart card corresponding to the file identification number is cleared, and a special flag is set to indicate that the smart card file is stored to the selected storage location, and the selected The storage location is a storage bit other than the smart card;

The storage module is configured to store the smart card file to the storage location.
The system of claim 12, wherein: said storage module is configured to: when the updated content of the smart card is a smart card file whose file identification number does not exist on the smart card, and the storage space required by the smart card file When the size is not greater than the storage space size of the selected storage location, the smart card file is stored to the storage location, and the selected storage location is a storage bit other than the smart card.
The system of claim 16 or 17, wherein: said storage module is further configured to save identification information of said smart card to said storage location prior to storing said smart card file to said storage location.
The system of claim 18 wherein: said storage location comprises a flash memory T card or a memory of the mobile terminal.
The system of claim 12, wherein: said storage module is configured to: update information identified by said file identification number when said update content of said smart card is information not identified by a file identification number The corresponding original information on the smart card.
The system of claim 12 wherein: said smart card comprises a customer identification module SIM card or a subscriber identity module UIM card.
The system of claim 12 wherein: said information not identified by the file identification number comprises encrypted information or authentication information.
A computer readable storage medium storing program instructions that, when executed, implement the method of any of claims 1-11.