Patent ID: 9392441
Filing Date: 2016-07-12
CPC Classification: G06F,H04M,H04W

Claim Text:
1. A method for controlling updates to a mobile device comprising the following: checking a ROM installation package by a check-encryption-decryption unit, or encrypting said ROM installation package by the check-encryption-decryption unit and storing said encrypted ROM installation package by a storage unit; storing control data and using said stored control data, by the check-encryption-decryption unit, to check said ROM installation package or to decrypt said stored encrypted ROM installation package when updating the mobile device; verifying, by a ROM installation package control unit, said stored encrypted ROM installation package; if said stored encrypted ROM installation package is verified to be correct or to be decryptable, installing, by the ROM installation package control unit, the verified or decrypted ROM installation package; and if said stored encrypted ROM installation package is verified to have errors or to be undecryptable, encrypting the control data stored in the storage unit by the check-encryption-decryption unit and terminating the installation of the ROM installation package by the ROM installation package control unit, wherein said ROM installation package is checked and said control data is stored, or said ROM installation package is encrypted and said encrypted ROM installation package is stored, only when a screen of said mobile device is in an unlocked state.