The application of the keyboard lock has two function, one is individual lock/unlock and the other is auto shutoff by setting time. In the individual lock/unlock function, the user can allow or forbid system to lock the keyboard, the keyboard will be locked automatically by setting time, the user can custom shortcut key to lock & unlock, custom warning words for unlock key etc.. The lock & unlock keyboard operation can custom, the use will be more convenient, and more important, this function can make individual, safe and private phone use.
The function of timing shutoff: The shutoff will be made by setting time, the shutoff could be set once time or could be repeated, ever set reminding time to shutoff, before shutoff , the phone will remind the user. This function will save the cell power.

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