System and method for data backup in communication devices

摘要

A system and method automatically backup unsaved data in a communication device if a back cover of the communication device is removed. An identifier of an application of the communication device is received. Based on the received identifier, an application corresponding to the received identifier is registered. If the back cover of the communication device is removed, a save signal is sent to the registered application and the unsaved data of the registered application is saved to a storage unit of the communication device.