WO2004045192A2 - Over-the-air subsidy lock resolution - Google Patents

Over-the-air subsidy lock resolution Download PDF

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Publication number
WO2004045192A2
WO2004045192A2 PCT/US2003/036447 US0336447W WO2004045192A2 WO 2004045192 A2 WO2004045192 A2 WO 2004045192A2 US 0336447 W US0336447 W US 0336447W WO 2004045192 A2 WO2004045192 A2 WO 2004045192A2
Authority
WO
WIPO (PCT)
Prior art keywords
message
lockout mode
mode
communication device
receiving
Prior art date
Application number
PCT/US2003/036447
Other languages
French (fr)
Other versions
WO2004045192A3 (en
Inventor
Uday Kelkar
Naveen Aerrabotu
Original Assignee
Motorola, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola, Inc. filed Critical Motorola, Inc.
Priority to EP03811264.5A priority Critical patent/EP1566045B1/en
Priority to AU2003297270A priority patent/AU2003297270A1/en
Priority to BRPI0316159-5A priority patent/BRPI0316159B1/en
Publication of WO2004045192A2 publication Critical patent/WO2004045192A2/en
Publication of WO2004045192A3 publication Critical patent/WO2004045192A3/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/667—Preventing unauthorised calls from a telephone set
    • H04M1/67—Preventing unauthorised calls from a telephone set by electronic means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/08—Access security
    • H04W12/082—Access security using revocation of authorisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/40—Security arrangements using identity modules
    • H04W12/48—Security arrangements using identity modules using secure binding, e.g. securely binding identity modules to devices, services or applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/38—Graded-service arrangements, i.e. some subscribers prevented from establishing certain connections
    • H04M3/387—Graded-service arrangements, i.e. some subscribers prevented from establishing certain connections using subscriber identification cards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/20—Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel

Definitions

  • the present inventions relate generally to wireless communications, more specifically to resolving subsidy lock using an over-the-air method in a wireless communication device.
  • SIM Subscriber Identification Module
  • GSM Global System for Mobile Communications
  • SIM Subscriber Identification Module
  • the subscriber is able to use any compatible cellular telephone by inserting the SIM card into the cellular telephone, provided that the subscriber is able to access the SIM card.
  • the subscriber may be locked out of the SIM card if he fails to enter the correct access code such as a password within a predetermined time or within a predetermined number of attempts, or when his contract with the service provider expires.
  • the SIM card allows the subscriber to make only an emergency call. After a predetermined lockout period expires, the subscriber is allowed to re-enter the password, and the phone is placed in a normal operation mode upon successful entry of the password.
  • a subsidized subscriber In a wireless communication network, a subsidized subscriber generally has an agreement with a subsidizing network service provider for a specified period as defined in the contract.
  • a subsidized wireless portable communication device used in the wireless communication network features a module such as a SIM card having a subsidy lock mode, which prevents the subscriber from making voice or data calls or Short Message Service (“SMS”) message in a network other than that of the subsidizing network service provider.
  • SMS Short Message Service
  • the subscriber must enter an access code provided by the subsidizing network service provider to access the SIM card. Otherwise, the subscriber is only allowed to make an emergency call.
  • the access code is generally provided via a voice call to a service center.
  • the subsidized wireless portable communication device needs be taken to the service center for unlocking and/or renewing of the service contract to avoid disclosure of the access code by the subsidizing network service provider.
  • FIG. 1 is an exemplary flowchart of one of the aspects of the present inventions regarding a wireless portable communication device
  • FIG.2 is an exemplary flowchart of another aspect the present inventions regarding a wireless portable communication device
  • FIG. 3 is an exemplary flowchart of another aspect the present inventions regarding a wireless communication network.
  • the present inventions generally relate to methods in a subsidized wireless portable communication device operating in a communication network.
  • FIG. 1 illustrates an exemplary flowchart of one of the aspects of the present inventions.
  • the subsidized wireless portable communication device while operating in a subsidizing communication network, experiences no use restriction other than the restrictions imposed by a subscription contract.
  • a subsidized wireless portable communication device having a removable module containing all the necessary subscriber information such as a Global System for Mobile Communications
  • GSM Global System for Mobile communications
  • SIM Subscriber Identification Module
  • the subsidized wireless portable communication device having a SIM card is powered on, and begins to operate in a restricted use mode in block 104.
  • whether the SIM card in the subsidized wireless portable communication device matches a SIM card profile stored in the subsidized wireless portable communication device is determined. If the SIM card matches the SIM card profile stored in the subsidized wireless portable communication device, the wireless portable communication enters a normal operation mode in block 108, and the process terminates in block 110. If the SIM card does not match the SIM card profile stored in the subsidized wireless portable communication device in block 106, then the subsidized wireless portable communication device requests an access code to be entered in block 112.
  • An access code may also be required in order to operate the subsidized wireless portable communication device in an unsubsidizing communication network after the expiration of the subscription contract. Without entering the access code, the wireless portable communication device remains in the restricted use mode, and only allows the subscriber to initiate an emergency call.
  • the subsidized wireless portable communication device determines whether the access code has been entered properly. If the access code has been entered properly, the subsidized wireless portable communication device enters the normal operation mode in block 108, and the process terminates in block 110. If the access code has been improperly entered, another attempt to enter the access code property may be allowed if a predetermined condition is met in block 116, and the process may be repeated from block 112.
  • the predetermined condition may be a number of attempts allowed or a time period allowed within which the access code must be entered. Otherwise, the subsidized wireless portable communication device enters into a lockout mode in block 118, preventing the subscriber from further attempts to enter the access code. While in the lockout mode, the subsidized wireless portable communication device is only allowed to initiate a voice call to an emergency telephone number and a Short Message Service ("SMS") message to the subsidized communication network. In order to deactivate the lockout mode, a first SMS message requesting to deactivate the lockout mode is transmitted in block 120.
  • SMS Short Message Service
  • Additional information to authenticate the request may be transmitted as a part of the first SMS message such as a distinct password maintained by the subsidizing communication network but not maintained within the SIM, for example, the maiden name of the subscriber's mother, billing information, or a new contract agreement.
  • the subsidized wireless portable communication device receives a second SMS message deactivating the lockout mode in response to transmitting the first SMS message requesting to deactivate the lockout mode, and the process terminates in block 122.
  • the second SMS message may trigger an application, residing in the subsidized wireless portable communication device or in the SIM, to deactivate the lockout mode.
  • the second SMS message deactivating the lockout mode may also deactivate the restricted use mode and may place the subsidized wireless portable communication device in the normal operation mode without requiring the subscriber to re-enter the access code.
  • the second SMS message deactivating the lockout mode may be received only after the request has been authenticated. If the process has been due in part to the expiration of the current subscription contract, a new contract may be negotiated as a part of transmitting the first SMS message requesting to deactivate the lockout mode and receiving the second SMS message deactivating the lockout mode.
  • the message received by the subsidized wireless portable communication device deactivating the lockout mode in block 122 may take a form of an Unstructured Supplementary Service Data ("USSD") as described in ETS 300 957 (GSM 04.90 version 5.0.1).
  • USSD Unstructured Supplementary Service Data
  • FIG. 2 illustrates an exemplary flowchart of another aspect of the present inventions.
  • the subsidized wireless portable communication device is powered on, and begins to operate in a restricted use mode in block 204.
  • block 206 whether the SIM card in the subsidized wireless portable communication device matches a SIM card profile stored in the subsidized wireless portable communication device is determined. If the SIM card matches the SIM card profile stored in the subsidized wireless portable communication device, the wireless portable communication enters a normal operation mode in block 208, and the process terminates in block 210.
  • the subsidized portable wireless communication device remains in the restricted use mode, and is only allowed to initiate a voice call to an emergency telephone number and a Short Message Service ("SMS") message to the subsidized communication network.
  • SMS Short Message Service
  • the subscriber may transmit a first SMS message requesting to deactivate the restricted use mode using one of the allowed operations in the restricted use mode in block 212. Additional information to authenticate the request may be transmitted as a part of the SMS message.
  • the subsidized wireless portable communication device then receives a second SMS message in block 214, which deactivates the restricted use mode, in response to transmitting the first SMS message requesting to deactivate the restricted use mode, and the process terminates in block 210.
  • the second SMS message may trigger an application, residing in the subsidized wireless portable communication device or in the SIM, to deactivate the lockout mode.
  • the second SMS message deactivating the restricted use mode may be received only after the request has been authenticated.
  • a new contract which allows the subscriber a limited use of the subsidized wireless portable communication device, may be negotiated as a part of transmitting the SMS message requesting to deactivate the restricted use mode and receiving the SMS message deactivating the restricted use mode.
  • the message received by the subsidized wireless portable communication device deactivating the lockout mode in block 214 may take a form of an Unstructured Supplementary Service Data ("USSD”) as described in ETS 300 957 (GSM 04.90 version 5.0.1).
  • USSD Unstructured Supplementary Service
  • FIG. 3 illustrates an exemplary flowchart of another aspect of the present inventions regarding a wireless communication network.
  • the wireless communication network provides a subsidized service to the wireless portable communication device.
  • the wireless portable communication device is equipped with a removable module which contains all relevant user information necessary to enable the wireless portable communication device to function normally within the wireless communication network. However, once the access to the removable module containing all relevant user information is denied, the wireless communication device enters a lockout mode, and is only allowed to initiate a voice call to an emergency telephone number and a Short Message Service (“SMS”) message to the wireless communication network.
  • SMS Short Message Service
  • the wireless communication network receives a first SMS message from the wireless portable communication device being in the lockout mode requesting to have the lockout mode deactivated.
  • the first SMS message may further contain authentication information to help verify a valid use of the wireless portable communication device in the wireless communication network. If the authentication information is not verified in block 304, then the wireless communication network transmits a request to the wireless portable communication device to re-transmit the lockout mode deactivation request in block 306. The process then repeats from block 302, and may terminate after a predetermined number of re- transmissions. If the authentication information is verified in block 304, then the wireless communication network transmits a second SMS message to the wireless communication device deactivating the lockout mode in block 308. The second SMS message may trigger an application, residing in the subsidized wireless portable communication device or in the SIM, to deactivate the lockout mode.
  • the message transmitted by the wireless communication network deactivating the lockout mode in block 308 may take a form of an Unstructured Supplementary Service Data ("USSD") as described in ETS 300 957 (GSM 04.90 version 5.0.1).
  • USSD Unstructured Supplementary Service Data
  • the wireless portable communication device then enters its normal operation in block 310, and the process terminates in block 312.
  • the normal operation may be a result of a new subscription contract or a result of a one-time-use agreement.

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)
  • Telephone Function (AREA)

Abstract

Methods (100, 200, 300) in a wireless portable communication device and wireless communication network for resolving subsidy lock by transmitting and receiving messages over-the-air are provided. Upon entering a restricted mode of operation (118, 204), the wireless portable communication device transmits a request to the wireless communication network requesting to deactivate the restricted mode of operation (120, 212). In response, the wireless portable communication device receives a message deactivating the restricted mode of operation (122, 214).

Description

OVER-THE-AIR SUBSIDY LOCK RESOLUTION
Technical Field
The present inventions relate generally to wireless communications, more specifically to resolving subsidy lock using an over-the-air method in a wireless communication device.
Background Art
In a wireless portable communication device, such as a cellular telephone in used in Global System for Mobile Communications ("GSM"), a Subscriber Identification Module ("SIM") card is used to store various information pertaining to a subscriber. Generally, the subscriber is able to use any compatible cellular telephone by inserting the SIM card into the cellular telephone, provided that the subscriber is able to access the SIM card. The subscriber may be locked out of the SIM card if he fails to enter the correct access code such as a password within a predetermined time or within a predetermined number of attempts, or when his contract with the service provider expires. When the subscriber is locked out, the SIM card allows the subscriber to make only an emergency call. After a predetermined lockout period expires, the subscriber is allowed to re-enter the password, and the phone is placed in a normal operation mode upon successful entry of the password.
In a wireless communication network, a subsidized subscriber generally has an agreement with a subsidizing network service provider for a specified period as defined in the contract. A subsidized wireless portable communication device used in the wireless communication network features a module such as a SIM card having a subsidy lock mode, which prevents the subscriber from making voice or data calls or Short Message Service ("SMS") message in a network other than that of the subsidizing network service provider. For the subscriber to be able to use the wireless portable communication device in a non-subsidizing network or after the expiration of the contract, the subscriber must enter an access code provided by the subsidizing network service provider to access the SIM card. Otherwise, the subscriber is only allowed to make an emergency call. The access code is generally provided via a voice call to a service center. In some case, however, the subsidized wireless portable communication device needs be taken to the service center for unlocking and/or renewing of the service contract to avoid disclosure of the access code by the subsidizing network service provider.
Brief Description of Drawings
FIG. 1 is an exemplary flowchart of one of the aspects of the present inventions regarding a wireless portable communication device; FIG.2 is an exemplary flowchart of another aspect the present inventions regarding a wireless portable communication device; and
FIG. 3 is an exemplary flowchart of another aspect the present inventions regarding a wireless communication network.
Disclosure of the Invention
The present inventions generally relate to methods in a subsidized wireless portable communication device operating in a communication network. FIG. 1 illustrates an exemplary flowchart of one of the aspects of the present inventions. The subsidized wireless portable communication device, while operating in a subsidizing communication network, experiences no use restriction other than the restrictions imposed by a subscription contract. For a subsidized wireless portable communication device having a removable module containing all the necessary subscriber information, such as a Global System for Mobile Communications
("GSM") cellular telephone having a Subscriber Identification Module ("SIM"), an access code must be entered when the subsidized wireless portable communication device is powered on with a SIM card that does not match a SIM card profile stored in the subsidized wireless portable communication device in order to enter a normal operation mode.
In block 102, the subsidized wireless portable communication device having a SIM card is powered on, and begins to operate in a restricted use mode in block 104. In block 106, whether the SIM card in the subsidized wireless portable communication device matches a SIM card profile stored in the subsidized wireless portable communication device is determined. If the SIM card matches the SIM card profile stored in the subsidized wireless portable communication device, the wireless portable communication enters a normal operation mode in block 108, and the process terminates in block 110. If the SIM card does not match the SIM card profile stored in the subsidized wireless portable communication device in block 106, then the subsidized wireless portable communication device requests an access code to be entered in block 112. An access code may also be required in order to operate the subsidized wireless portable communication device in an unsubsidizing communication network after the expiration of the subscription contract. Without entering the access code, the wireless portable communication device remains in the restricted use mode, and only allows the subscriber to initiate an emergency call. In block 114, the subsidized wireless portable communication device determines whether the access code has been entered properly. If the access code has been entered properly, the subsidized wireless portable communication device enters the normal operation mode in block 108, and the process terminates in block 110. If the access code has been improperly entered, another attempt to enter the access code property may be allowed if a predetermined condition is met in block 116, and the process may be repeated from block 112. The predetermined condition may be a number of attempts allowed or a time period allowed within which the access code must be entered. Otherwise, the subsidized wireless portable communication device enters into a lockout mode in block 118, preventing the subscriber from further attempts to enter the access code. While in the lockout mode, the subsidized wireless portable communication device is only allowed to initiate a voice call to an emergency telephone number and a Short Message Service ("SMS") message to the subsidized communication network. In order to deactivate the lockout mode, a first SMS message requesting to deactivate the lockout mode is transmitted in block 120. Additional information to authenticate the request may be transmitted as a part of the first SMS message such as a distinct password maintained by the subsidizing communication network but not maintained within the SIM, for example, the maiden name of the subscriber's mother, billing information, or a new contract agreement. Then, in block 122, the subsidized wireless portable communication device receives a second SMS message deactivating the lockout mode in response to transmitting the first SMS message requesting to deactivate the lockout mode, and the process terminates in block 122. The second SMS message may trigger an application, residing in the subsidized wireless portable communication device or in the SIM, to deactivate the lockout mode. The second SMS message deactivating the lockout mode may also deactivate the restricted use mode and may place the subsidized wireless portable communication device in the normal operation mode without requiring the subscriber to re-enter the access code. The second SMS message deactivating the lockout mode may be received only after the request has been authenticated. If the process has been due in part to the expiration of the current subscription contract, a new contract may be negotiated as a part of transmitting the first SMS message requesting to deactivate the lockout mode and receiving the second SMS message deactivating the lockout mode. Alternatively, the message received by the subsidized wireless portable communication device deactivating the lockout mode in block 122 may take a form of an Unstructured Supplementary Service Data ("USSD") as described in ETS 300 957 (GSM 04.90 version 5.0.1).
FIG. 2 illustrates an exemplary flowchart of another aspect of the present inventions. In block 202, the subsidized wireless portable communication device is powered on, and begins to operate in a restricted use mode in block 204. In block 206, whether the SIM card in the subsidized wireless portable communication device matches a SIM card profile stored in the subsidized wireless portable communication device is determined. If the SIM card matches the SIM card profile stored in the subsidized wireless portable communication device, the wireless portable communication enters a normal operation mode in block 208, and the process terminates in block 210. If the SIM card does not match the SIM card profile stored in the subsidized wireless portable communication device in block 206, the subsidized portable wireless communication device remains in the restricted use mode, and is only allowed to initiate a voice call to an emergency telephone number and a Short Message Service ("SMS") message to the subsidized communication network. To deactivate the restricted use mode and place the subsidized wireless portable communication device in a normal operation mode, the subscriber may transmit a first SMS message requesting to deactivate the restricted use mode using one of the allowed operations in the restricted use mode in block 212. Additional information to authenticate the request may be transmitted as a part of the SMS message. The subsidized wireless portable communication device then receives a second SMS message in block 214, which deactivates the restricted use mode, in response to transmitting the first SMS message requesting to deactivate the restricted use mode, and the process terminates in block 210. The second SMS message may trigger an application, residing in the subsidized wireless portable communication device or in the SIM, to deactivate the lockout mode. The second SMS message deactivating the restricted use mode may be received only after the request has been authenticated. A new contract, which allows the subscriber a limited use of the subsidized wireless portable communication device, may be negotiated as a part of transmitting the SMS message requesting to deactivate the restricted use mode and receiving the SMS message deactivating the restricted use mode. Alternatively, the message received by the subsidized wireless portable communication device deactivating the lockout mode in block 214 may take a form of an Unstructured Supplementary Service Data ("USSD") as described in ETS 300 957 (GSM 04.90 version 5.0.1).
FIG. 3 illustrates an exemplary flowchart of another aspect of the present inventions regarding a wireless communication network. The wireless communication network provides a subsidized service to the wireless portable communication device. The wireless portable communication device is equipped with a removable module which contains all relevant user information necessary to enable the wireless portable communication device to function normally within the wireless communication network. However, once the access to the removable module containing all relevant user information is denied, the wireless communication device enters a lockout mode, and is only allowed to initiate a voice call to an emergency telephone number and a Short Message Service ("SMS") message to the wireless communication network. In block 302, the wireless communication network receives a first SMS message from the wireless portable communication device being in the lockout mode requesting to have the lockout mode deactivated. The first SMS message may further contain authentication information to help verify a valid use of the wireless portable communication device in the wireless communication network. If the authentication information is not verified in block 304, then the wireless communication network transmits a request to the wireless portable communication device to re-transmit the lockout mode deactivation request in block 306. The process then repeats from block 302, and may terminate after a predetermined number of re- transmissions. If the authentication information is verified in block 304, then the wireless communication network transmits a second SMS message to the wireless communication device deactivating the lockout mode in block 308. The second SMS message may trigger an application, residing in the subsidized wireless portable communication device or in the SIM, to deactivate the lockout mode. Alternatively, the message transmitted by the wireless communication network deactivating the lockout mode in block 308 may take a form of an Unstructured Supplementary Service Data ("USSD") as described in ETS 300 957 (GSM 04.90 version 5.0.1). The wireless portable communication device then enters its normal operation in block 310, and the process terminates in block 312. The normal operation may be a result of a new subscription contract or a result of a one-time-use agreement.
While the preferred embodiments of the invention have been illustrated and described, it is to be understood that the invention is not so limited. Numerous modifications, changes, variations, substitutions and equivalents will occur to those skilled in the art without departing from the spirit and scope of the present invention as defined by the appended claims.

Claims

1. A method in a wireless portable communication device having a lockout mode of operation, the method comprising: activating a restricted use mode, the restricted use mode deactivatable by receiving an access code; activating the lockout mode upon failing to receive the access code under a predetermined condition; restricting communications to and from the wireless portable communication device while in the lockout mode; transmitting a request to deactivate the lockout mode while in the lockout mode; and receiving a message deactivating the lockout mode.
2. The method of claim 1 , wherein activating the restricted use mode upon powering on the wireless portable communication device.
3. The method of claim 2, wherein activating the restricted use mode upon powering on the wireless portable communication device having a removable module containing user information, the removable module having a profile different from a stored profile in the wireless portable communication device.
4. The method of claim 1 , wherein activating the restricted use mode upon expiring of a contract between the wireless portable communication device and an associated communication network.
5. The method of claim 1 , wherein activating the lockout mode upon failing to receive the access code under a predetermined condition by failing to receive the access code within a predetermined number of attempts.
6. The method of claim 1 , wherein activating the lockout mode upon failing to receive the access code under a predetermined condition by failing to receive the access code within a predetermined time.
7. The method of claim 1 , wherein restricting communications to and from the wireless portable communication device while in the lockout mode by only allowing to initiate a voice call to an emergency telephone number and a Short Message Service message to a service provider.
8. The method of claim 7, wherein transmitting a request to deactivate the lockout mode while in the lockout mode by transmitting a first Short Message Service message requesting to deactivate the lockout mode to the service provider.
9. The method of claim 8, wherein receiving a message deactivating the lockout mode by receiving a second Short Message Service message deactivating the lockout mode in response to transmitting the first Short Message Service message to the service provider requesting to deactivate the lockout mode.
10. The method of claim 9, wherein deactivating the lockout mode by enabling an application operable in the wireless portable communication device to deactivate the lockout mode upon receiving the second Short Message Service message.
11. The method of claim 8, wherein receiving a message deactivating the lockout mode by receiving an Unstructured Supplementary Service Data message deactivating the lockout mode in response to transmitting the first Short Message Service message to the service provider requesting to deactivate the lockout mode.
12. The method of claim 11 , wherein deactivating the lockout mode by enabling an application operable in the wireless portable communication device to deactivate the lockout mode upon receiving the Unstructured Supplementary Service Data.
13. The method of claim 8, wherein transmitting a first Short Message Service message to the service provider requesting to deactivate the lockout mode by providing authentication information in the first Short Message Service message.
14. The method of claim 13, wherein receiving a message deactivating the lockout mode by receiving a second Short Message Service message deactivating the lockout mode in response to transmitting the first Short Message Service message to the service provider requesting to deactivate the lockout mode after the authentication information is verified.
15. The method of claim 13, wherein receiving a message deactivating the lockout mode by receiving an Unstructured Supplementary Service Data message deactivating the lockout mode in response to transmitting the first Short Message Service message to the service provider requesting to deactivate the lockout mode after the authentication information is verified.
16. A method in a wireless portable communication device having a lockout mode that prevents access to a removable module containing user information, the method comprising: activating a restricted use mode, the restricted use mode deactivatable by receiving an access code; activating the lockout mode upon failing to receive the access code under a predetermined condition; restricting communications to and from the wireless portable communication device while in the lockout mode; transmitting a request to deactivate the lockout mode while in the lockout mode; and receiving a message deactivating the lockout mode.
17. The method of claim 16, wherein activating the restricted use mode upon powering on the wireless portable communication device having a removable module containing user information, the removable module having a profile different from a stored profile in the wireless portable communication device.
18. The method of claim 16, wherein activating the restricted use mode upon expiring of a contract between the wireless portable communication device and an associated communication network.
19. The method of claim 16, wherein activating the lockout mode upon failing to receive the access code under a predetermined condition by failing to receive the access code within a predetermined number of attempts.
20. The method of claim 16, wherein activating the lockout mode upon failing to receive the access code under a predetermined condition by failing to receive the access code within a predetermined time.
21. The method of claim 16, wherein restricting communications to and from the wireless portable communication device while in the lockout mode by only allowing to initiate a voice call to an emergency telephone number and a Short Message Service message to a service provider.
22. The method of claim 21 , wherein transmitting a request to deactivate the lockout mode while in the lockout mode by transmitting a first Short Message Service message requesting to deactivate the lockout mode to the service provider.
23. The method of claim 22, wherein receiving a message deactivating the lockout mode by receiving a second Short Message Service message deactivating the lockout mode in response to transmitting the first Short Message Service message to the service provider requesting to deactivate the lockout mode.
24. The method of claim 23, wherein deactivating the lockout mode by enabling an application operable in the wireless portable communication device to deactivate the lockout mode upon receiving the second Short Message Service message.
25. The method of claim 22, wherein receiving a message deactivating the lockout mode by receiving an Unstructured Supplementary Service Data message deactivating the lockout mode in response to transmitting the first Short Message Service message to the service provider requesting to deactivate the lockout mode.
26. The method of claim 25, wherein deactivating the lockout mode by enabling an application operable in the wireless portable communication device to deactivate the lockout mode upon receiving the Unstructured
Supplementary Service Data.
27. The method of claim 22, wherein transmitting a first Short Message Service message requesting to deactivate the lockout mode to the service provider by providing authentication information in the Short Message Service message.
28. The method of claim 27, wherein receiving a message deactivating the lockout mode by receiving a second Short Message Service message deactivating the lockout mode in response to transmitting the first Short Message Service message to the service provider requesting to deactivate the lockout mode after the authentication information is verified.
29. The method of claim 27, wherein receiving a message deactivating the lockout mode by receiving an Unstructured Supplementary Service Data message deactivating the lockout mode in response to transmitting the first Short Message Service message to the service provider requesting to deactivate the lockout mode after the authentication information is verified.
30. A method in a wireless portable communication device having a removable module containing user information, the method comprising: activating a restricted use mode, the restricted use mode deactivatable by receiving an access code; restricting communications to and from the wireless portable communication device while in the restricted use mode by only allowing a voice call to be made to an emergency telephone number and a Short Message Service message to be made to and received from an available service provider; transmitting a first Short Message Service message to the available service provider requesting to deactivate the restricted use mode while in the restricted use mode; and receiving a message deactivating the restricted use mode in response to transmitting the first Short Message Service message to the service provider.
31. The method of claim 30, wherein activating the restricted use mode upon powering on the wireless portable communication device having a removable module containing user information, the removable module having a profile different from a stored profile in the wireless portable communication device.
32. The method of claim 30, wherein activating the restricted use mode upon expiring of a contract between the wireless portable communication device and an associated communication network.
33. The method of claim 30, wherein transmitting a first Short Message
Service message to the available service provider requesting to deactivate the restricted use mode while in the restricted use mode by providing authentication information in the first Short Message Service message.
34. The method of claim 33, wherein receiving a message deactivating the restricted use mode in response to transmitting the first Short Message Service message to the service provider after the authentication information is verified.
35. The method of claim 34, wherein receiving a message deactivating the restricted use mode in response to transmitting the first Short Message Service message to the service provider after the authentication information is verified by receiving a Short Message Service message enabling an application operable in the wireless portable communication device to deactivate the lockout mode.
36. The method of claim 34, wherein receiving a message deactivating the restricted use mode in response to transmitting the first Short Message Service message to the service provider after the authentication information is verified by receiving an Unstructured Supplementary Service Data enabling an application operable in the wireless portable communication device to deactivate the lockout mode.
37. A method in a wireless communication network providing subsidized service to a wireless portable communication device having a removable module containing user information, the method comprising: receiving a first Short Message Service message from the wireless portable communication device, the wireless portable communication device being in a lockout mode preventing access to the removable module, the first Short Message Service message requesting to deactivate the lockout mode; and transmitting a message to the wireless communication device deactivating the lockout mode in response to receiving the first Short Message
Service.
38. The method of claim 37, wherein receiving a first Short Message
Service message from the wireless portable communication device by receiving authentication information in the first Short Message Service message.
39. The method of claim 37, wherein transmitting a second Short Message Service message to the wireless communication device deactivating the lockout mode in response to receiving the first Short Message Service after the authentication information is verified.
40. The method of claim 37, wherein transmitting an Unstructured Supplementary Service Data message to the wireless communication device deactivating the lockout mode in response to receiving the first Short Message
Service after the authentication information is verified.
PCT/US2003/036447 2002-11-12 2003-11-12 Over-the-air subsidy lock resolution WO2004045192A2 (en)

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