Broadcast replenishment of account parameters for groups of wireless devices

A system for replenishing internally stored account parameters on a select group of wireless devices, comprising:

• means for determining a need for a required change in at least one internally stored account parameter associated with a prepaid amount of authorization for wireless usage of the wireless device in the select group of wireless devices;
• means for obtaining an encryption key uniquely associated with the group of wireless devices;
• means for generating an encrypted account update message using the encryption key and the selected at least one account parameter to be changed that includes the amount of authorization for wireless usage of the wireless device;
• and
• means for broadcasting the encrypted account update message for receipt by the group of wireless devices in order to update the internally stored account parameters within the group of wireless devices to replenish their internally stored prepaid amount of authorization for wireless usage of the wireless device, wherein the broadcast encrypted account update message is only able to be received and decrypted by those wireless devices within the group of wireless devices.

A system for replenishing internally stored account parameters on a select group of wireless devices, comprising:

• a database containing an encryption key uniquely associated with the group of wireless devices;
• a provisioning server comprising a processor and a readable storage media coupled to the processor for tangibly storing thereon instructions executable by the processor to perform operations comprising:
• determining a need for a required change in at least one internally stored account parameter associated with a prepaid amount of authorization for wireless usage of the wireless device in the select group of wireless devices;
• obtaining the encryption key from the database associated with the group of wireless devices;
• generating an encrypted account update message using the encryption key and the selected at least one account parameter to be changed that includes the amount of authorization for wireless usage of the wireless device;
• and
• broadcasting the encrypted account update message for receipt by the group of wireless devices in order to update the internally stored account parameters within the group of wireless devices to replenish their internally stored prepaid amount of wireless authorization for usage of the wireless device, wherein the broadcast encrypted account update message is only able to be received and decrypted by those wireless devices within the group of wireless devices.

A method for updating internally stored account parameters on a select group of wireless devices, the method comprising:

• selecting at least one account parameter stored internally within a wireless device to be updated on a select group of wireless devices, wherein the at least one account parameter comprises an amount of authorization for wireless usage of the wireless device;
• obtaining an encryption key associated with the group of wireless devices;
• generating an encrypted account update message using the encryption key and the selected at least one account parameter to be updated;
• and
• broadcasting the encrypted account update message for receipt by the group of wireless devices in order to update the internally stored account parameters within the group of wireless devices, wherein the broadcast encrypted account update message is only able to be received and decrypted by those wireless devices within the group of wireless devices.