Patent ID: 8116737

Claim:
A method for locking information, comprising: receiving, by a mobile terminal, a lock message carrying lock object information sent from a server; and locking, by the mobile terminal, a lock object according to the lock message, the lock object corresponding to the lock object information, wherein the lock message comprises a server ID; and after the mobile terminal locks the lock object, recording, by the mobile terminal, the server ID in the lock message; wherein when the mobile terminal receives an unlock command carrying a server ID and the lock object information, determining, by the mobile terminal, whether the server ID in the unlock command is the same as the recorded server ID, and unlocking the lock object if the server ID in the unlock command is the same as the recorded server ID; wherein the lock object information comprises a lock granularity, the lock granularity being a device lock, the lock message also carrying a lock level for indicating a locking extent; the lock object is locked according to the lock granularity and the lock level in the lock message; wherein the lock level comprises partial lock or full lock; or the lock level comprises low-level lock, middle-level lock or high-level lock; in the case of low-level lock, other functions of the mobile terminal are not available except answering an incoming call, dialing an emergency call or establishing a session with a specific server; in the case of middle-level lock, other functions of the mobile terminal are not available except dialing an emergency call or establishing a session with a specific server; in the case of high-level lock, other functions of the mobile terminal are not available except establishing a session with a specific server.