CN113660711A - APN filtering method of operator SIM card, storage medium and terminal equipment - Google Patents
APN filtering method of operator SIM card, storage medium and terminal equipment Download PDFInfo
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- CN113660711A CN113660711A CN202110770280.4A CN202110770280A CN113660711A CN 113660711 A CN113660711 A CN 113660711A CN 202110770280 A CN202110770280 A CN 202110770280A CN 113660711 A CN113660711 A CN 113660711A
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- 101100156295 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) VID30 gene Proteins 0.000 claims description 8
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
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Abstract
The invention discloses an APN filtering method, a storage medium and a terminal device of an operator SIM card, wherein the method comprises the following steps: writing an APN configuration file in a terminal device in advance, wherein the APN configuration file comprises a mapping relation table of an operator name and an APN; when the terminal equipment is detected to be inserted into an SIM card, identifying the PLMN of the SIM card, and detecting whether the SIM card contains APN identification information; if the SIM card does not contain APN identification information, matching all APNs according to the PLMN; finding out all corresponding operator names from the APN configuration file according to all APNs and prompting a user to select; and after the user selects the corresponding operator name, configuring the corresponding APN according to the selected operator name, and selecting the first APN by default for registering the operator network. The invention effectively solves the problem that the establishment of the data network of the operator fails due to the failure of APN filtering when the PLMN of the operator is the same and no APN identification information exists.
Description
Technical Field
The invention relates to the technical field of network connection of terminal equipment, in particular to an APN filtering method of an operator SIM card, a storage medium and the terminal equipment.
Background
A network Access Point Name (APN) is used to identify a Packet Data Network (PDN). The APN is usually stored in a Home Subscriber Server (HSS) as user subscription data, when a terminal device of a user initiates a packet service (PDN connection request), the terminal device provides an APN configured by the terminal device to a network side Mobility Management Entity (MME), the MME performs Domain Name resolution through a Domain Name Server (DNS) according to the APN provided by the terminal device, then acquires an IP address of a PGW (PDN GateWay), accesses the user to a PDN corresponding to the APN, and the user finally successfully establishes an operator data network, a multimedia message private network, an IP multimedia service private network, and the like.
The terminal device currently filters out the APN of the operator FC through PLMN (Public Land Mobile Network, consisting of country code MCC and Network code MNC, whose contents are written in USIM/SIM EFIMSI field), SPN (Service Provider Name, whose contents are written in USIM/SIM EFspn field), GID1(Group Identifier level 1, level 1 Group identification file, whose contents are written in USIM/SIM EFGID1 field), and PNN (PLMN Network Name, operator Network Name, whose contents are written in USIM/SIM 6 5 field) matching the operator SIM card. The PLMNs of the operators are different and can be filtered through the PLMNs, and if the PLMNs of the operators are the same, the corresponding APNs are filtered through different SPNs or GIDs 1 or PNN matching. If PLMNs of multiple operators are the same and there is no SPN, GID1, and PNN information at the same time, when the terminal inserts a SIM card of one of the operators, all APNs under the same PLMN may be filtered out, which may result in failure to establish an operator data network.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide an APN filtering method for an operator SIM card, a storage medium and a terminal device, aiming at solving the problem in the prior art that when PLMNs of multiple operator SIM cards are the same and there is no identification information such as SPN, GID1, PNN, etc., the APN filtering fails to establish an operator data network.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
an APN filtering method of an operator SIM card comprises the following steps:
writing an APN configuration file in a terminal device in advance, wherein the APN configuration file comprises a mapping relation table of an operator name and an APN;
when the terminal equipment is detected to be inserted into an SIM card, identifying the PLMN of the SIM card, and detecting whether the SIM card contains APN identification information;
if the SIM card does not contain APN identification information, matching all APNs according to the PLMN;
finding out all corresponding operator names from the APN configuration file according to all APNs and prompting a user to select;
and after the user selects the corresponding operator name, configuring the corresponding APN according to the selected operator name, and selecting the first APN by default for registering the operator network.
The APN filtering method of the operator SIM card further comprises the following steps:
if the user needs to modify the selected operator name, popping up all the operator names again by clicking a recovery APN menu and prompting the user to reselect;
and filtering out the correct APN according to the reselected operator name.
The APN filtering method of the operator SIM card, wherein the APN configuration file further comprises a mapping relation table of APN identification information and APN.
The APN filtering method of the operator SIM card further comprises the following steps:
if the SIM card is detected to contain APN identification information, searching whether a corresponding APN exists in the APN configuration file according to the APN identification information;
and if so, registering the operator network according to the found APN.
The APN filtering method of the operator SIM card further comprises the following steps:
if the APN corresponding to the APN identification information cannot be searched in the APN configuration file, filtering all APNs of the PLMN;
selecting a first APN from all APNs by default for registering with a carrier network.
The APN filtering method of the operator SIM card, wherein the APN identification information comprises SPN information.
The APN filtering method of the operator SIM card, wherein the APN identification information comprises GID1 information.
The APN filtering method of the operator SIM card, wherein the APN identification information comprises PNN information.
A storage medium having one or more programs stored thereon that are executable by one or more processors to implement the steps in the APN filtering method of a carrier SIM card of the present invention.
A terminal device, comprising a processor adapted to implement instructions; and a storage medium adapted to store a plurality of instructions adapted to be loaded by the processor and to perform the steps of the APN filtering method of the operator SIM card of the present invention.
Has the advantages that: the invention provides an APN filtering method of an operator SIM card, when the PLMNs of operators are the same and the SIM card does not contain APN identification information, all APNs can be matched according to the PLMNs; finding out all corresponding operator names from the APN configuration file according to all APNs and prompting a user to select; and after the user selects the corresponding operator name, configuring the corresponding APN according to the selected operator name, and selecting the first APN by default for registering the operator network. The invention effectively solves the problems that when the PLMN of operators is the same and no APN identification information exists, the data network of the operators is failed to be established due to the failure of APN filtering, and the terminal equipment can not access the networks of the operators.
Drawings
Fig. 1 is a flowchart illustrating an APN filtering method for an operator SIM card according to a preferred embodiment of the present invention.
Fig. 2 is a second flowchart of an APN filtering method for a SIM card of a carrier according to the present invention.
Fig. 3 is a schematic diagram of popping up an operator name for user selection according to the present invention.
Fig. 4 is a schematic block diagram of a terminal device according to the present invention.
Detailed Description
The invention provides an APN filtering method of an operator SIM card, a storage medium and a terminal device, and in order to make the purpose, technical scheme and effect of the invention clearer and clearer, the invention is further described in detail below by referring to the attached drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
For some operators in open market, PLMNs of the operators are the same and do not have APN identification information, and after the SIM cards of the operators are inserted into the terminal device, all APNs under the PLMNs are filtered out, which may cause failure in establishing a data network of the operator or cause that the terminal device cannot access each network of the operators to which the client wants to connect.
Based on this, the present invention provides a method for filtering APN of a SIM card of an operator, as shown in fig. 1, which includes the steps of:
s10, writing APN configuration files in the terminal equipment in advance, wherein the APN configuration files comprise a mapping relation table of operator names and APNs;
s20, when the terminal equipment is detected to be inserted into the SIM card, identifying the PLMN of the SIM card, and detecting whether the APN identification information is contained in the SIM card;
s30, if the SIM card is detected not to contain APN identification information, matching all APNs according to the PLMN;
s40, finding out all corresponding operator names from the APN configuration file according to all APNs and prompting a user to select;
s50, after the user selects the corresponding operator name, configuring the corresponding APN according to the selected operator name, and selecting the first APN by default for registering the operator network.
In this embodiment, as shown in fig. 2, each operator name is written into a corresponding APN in advance to form an APN configuration file, that is, the APN configuration file includes a mapping relationship table between the operator name and the APN, and in the APN configuration file, one operator name may correspond to multiple APNs or one operator name may correspond to one APN.
In this embodiment, after it is detected that the terminal device inserts the SIM card, the PLMN of the SIM card is identified first, and then it is detected whether the SIM card contains APN identification information; if the SIM card is detected not to contain APN identification information, matching all APNs according to the PLMN, then finding out all corresponding operator names from the APN configuration file according to all the APNs, and prompting a user to select any operator name in a pop-up option mode, as shown in FIG. 3.
In this embodiment, after the user selects the corresponding operator name, the corresponding APN is configured according to the selected operator name, and the first APN is selected by default to register the operator network. The embodiment effectively solves the problems that when the PLMN of the operators is the same and no APN identification information exists, the data network of the operators is failed to be established due to the failure of APN filtering, and the terminal equipment cannot access the networks of the operators.
In some embodiments, if the user selects the wrong carrier, the user may click on the recovery APN menu in the APN menu, and pop up the carrier name list again to the user to reselect the correct carrier, thereby filtering out the correct APN.
In some embodiments, the APN configuration file further includes a mapping relationship table between APN identification information and APN; when the terminal equipment is detected to be inserted into an SIM card, identifying the PLMN of the SIM card, and detecting whether the SIM card contains APN identification information; if the SIM card is detected to contain APN identification information, searching whether a corresponding APN exists in the APN configuration file according to the APN identification information; and if so, registering the operator network according to the found APN.
In the present embodiment, the APN identification information includes one or more of SPN information, GID1 information, and PNN information, but is not limited thereto. In this embodiment, the plmn (public Land Mobile network) is a public Land Mobile network, and is composed of a country code MCC and a network code MNC, and the content of the plmn (public Land Mobile network) is written in an EFIMSI field of a USIM/SIM card; the SPN (service Provider name) information refers to an operator name, and the content of the operator name is written in an EFspn field of a USIM/SIM card; the GID1(Group Identifier level 1) information refers to a level 1 packet identification file, the content of which is written in the field of USIM/SIM card EFGID 1; the pnn (plmn Network name) information refers to the operator Network name, the contents of which are written in the USIM/SIM card 6FC5 field. The APN (network access point name) of the operator may be filtered out according to one or more of the SPN information, GID1 information, and PNN information.
In some embodiments, the APN configuration file further includes a mapping relationship table between APN identification information and APN; when the terminal equipment is detected to be inserted into an SIM card, identifying the PLMN of the SIM card, and detecting whether the SIM card contains APN identification information; if the APN corresponding to the APN identification information cannot be searched in the APN configuration file, filtering all APNs of the PLMN; selecting a first APN from all APNs by default for registering with a carrier network. In this embodiment, after all APNs of the PLMN are filtered, the user may also select any one APN from all APNs as needed to register with the operator network.
In some embodiments, a storage medium is also provided, where the storage medium stores one or more programs that are executable by one or more processors to implement the steps in an APN filtering method for a carrier SIM card of the present invention.
In some embodiments, there is also provided a terminal device, as shown in fig. 4, comprising at least one processor (processor) 20; a display screen 21; and a memory (memory)22, and may further include a communication Interface (Communications Interface)23 and a bus 24. The processor 20, the display 21, the memory 22 and the communication interface 23 can communicate with each other through the bus 24. The display screen 21 is configured to display a user guidance interface preset in the initial setting mode. The communication interface 23 may transmit information. The processor 20 may call logic instructions in the memory 22 to perform the methods in the embodiments described above.
Furthermore, the logic instructions in the memory 22 may be implemented in software functional units and stored in a computer readable storage medium when sold or used as a stand-alone product.
The memory 22, which is a computer-readable storage medium, may be configured to store a software program, a computer-executable program, such as program instructions or modules corresponding to the methods in the embodiments of the present disclosure. The processor 20 executes the functional application and data processing, i.e. implements the method in the above-described embodiments, by executing the software program, instructions or modules stored in the memory 22.
The memory 22 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. Further, the memory 22 may include a high speed random access memory and may also include a non-volatile memory. For example, a variety of media that can store program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, may also be transient storage media.
In addition, the specific processes loaded and executed by the storage medium and the instruction processors in the terminal device are described in detail in the method, and are not stated herein.
Comprises a processor, which is suitable for realizing each instruction; and a storage medium adapted to store a plurality of instructions adapted to be loaded by a processor and to perform the steps of the APN filtering method of a carrier SIM card according to the invention.
The system comprises a processor and a control unit, wherein the processor is suitable for realizing instructions; and a storage medium adapted to store a plurality of instructions adapted to be loaded by a processor and to perform the steps of the APN filtering method of a carrier SIM card according to the invention.
In some embodiments, the terminal device is a mobile phone or a tablet, but is not limited thereto.
In summary, the present invention provides a method for filtering APN of an operator SIM card, wherein when PLMNs of operators are all the same and the SIM card does not contain APN identification information, all APNs are matched according to the PLMNs; finding out all corresponding operator names from the APN configuration file according to all APNs and prompting a user to select; and after the user selects the corresponding operator name, configuring the corresponding APN according to the selected operator name, and selecting the first APN by default for registering the operator network. The invention effectively solves the problems that when the PLMN of operators is the same and no APN identification information exists, the data network of the operators is failed to be established due to the failure of APN filtering, and the terminal equipment can not access the networks of the operators.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An APN filtering method for an operator SIM card is characterized by comprising the following steps:
writing an APN configuration file in a terminal device in advance, wherein the APN configuration file comprises a mapping relation table of an operator name and an APN;
when the terminal equipment is detected to be inserted into an SIM card, identifying the PLMN of the SIM card, and detecting whether the SIM card contains APN identification information;
if the SIM card does not contain APN identification information, matching all APNs according to the PLMN;
finding out all corresponding operator names from the APN configuration file according to all APNs and prompting a user to select;
and after the user selects the corresponding operator name, configuring the corresponding APN according to the selected operator name, and selecting the first APN by default for registering the operator network.
2. The APN filtering method for an operator SIM card according to claim 1, further comprising the steps of:
if the user needs to modify the selected operator name, popping up all the operator names again by clicking a recovery APN menu and prompting the user to reselect;
and filtering out the correct APN according to the reselected operator name.
3. The APN filtering method for an operator SIM card of claim 1, wherein the APN configuration file further comprises a mapping relation table of APN identification information and APN.
4. The APN filtering method for an operator SIM card according to claim 3, further comprising the steps of:
if the SIM card is detected to contain APN identification information, searching whether a corresponding APN exists in the APN configuration file according to the APN identification information;
and if so, registering the operator network according to the found APN.
5. The APN filtering method for an operator SIM card according to claim 4, further comprising the steps of:
if the APN corresponding to the APN identification information cannot be searched in the APN configuration file, filtering all APNs of the PLMN;
selecting a first APN from all APNs by default for registering with a carrier network.
6. The APN filtering method for SIM card of operator as claimed in any of claims 1-5, wherein the APN identification information comprises SPN information.
7. The APN filtering method for SIM card of operator according to any of claims 1-5, wherein the APN identification information comprises GID1 information.
8. The APN filtering method for SIM card of operator as claimed in any of claims 1-5, wherein the APN identification information comprises PNN information.
9. A storage medium storing one or more programs, the one or more programs being executable by one or more processors for implementing the steps in the method for APN filtering for a carrier SIM card according to any one of claims 1-8.
10. A terminal device comprising a processor adapted to implement instructions; and a storage medium adapted to store a plurality of instructions adapted to be loaded by a processor and to perform the steps in the method of APN filtering for a carrier SIM card according to any of claims 1 to 8.
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