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System-and-method-for-user-programmable-service-programming-of-cellular-telephones

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System and method for user-programmable service programming of cellular telephones

Details

Inventors: Kenagy, Jason B.; Coad, Michael T.;
Assignee: Qualcomm Incorporated (San Diego, CA)
Primary Examiner: Wolfe; Willis R.
Assistant Examiner: Vo; Hieu T.
Attorney, Agent or Firm: Miller; Russell B., Brown; Charles D.

A system for user-programming of system parameters of a cellular telephone. Data values for the system parameters are stored in a nonvolatile memory within the cellular telephone. A password storage area stores one or more predetermined passwords. After purchasing the telephone, the end-user calls a predetermined telephone number and receives one of the predetermined passwords. The user enables a programming mode and enters the predetermined password using the cellular telephone keypad. If the user-entered password matches the stored predetermined password, the cellular telephone allows user access to at least a portion of the system parameters in the nonvolatile memory. A counter tracks the number of user-programming attempts and terminates the programming after either a predetermined number of failures or successful programming of all the desired system parameter values.

DETAILED DESCRIPTION The present invention is embodied in a system and method for user-programming of a wireless communications device for operation with a wireless service provider.
The system comprises a data entry device operable by the user to enter data into the wireless communications device, such as a cellular telephone.
A parameter storage area stores system operational parameter values to govern operation of the cellular telephone with the cellular service provider.
The system operational parameters control communications between the cellular telephone and the cellular service provider.
A password storage area stores a predetermined password.
A password comparator compares password data entered by the user using the data entry device with the stored password.
If the user-entered password matches the stored password, the password comparator permits user-programming of new system operational parameter values for storage in the parameter storage area.
The cellular telephone may include a display device to display instructions to the user to assist in user-programming of the new system operational parameter values.
The cellular telephone also includes a transceiver to permit cellular communications between the cellular telephone and the cellular service provider.
The transceiver can establish a cellular telephone communication with the cellular service provider using a predetermined telephone number and, if the user-entered password matches the stored password, the cellular service provider downloads at least some of the system operational parameter values during the cellular telephone communication with the remaining ones of the new system operational parameter values being entered into the cellular telephone by the user using the data entry device.
In one embodiment, the password storage area contains a plurality of passwords to permit varying degrees of user accessibility to data storage areas.
The cellular telephone includes a data pointer to select one of the passwords with the password comparator permitting user-programming of new system operational parameter values for storage in the parameter storage area if the user-entered password matches the selected stored password

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