The old man's mobile phone screen is locked, so he can only answer the phone, not make a phone call. When he makes a phone call, he displays "Press the unlock button". I don't know what to do.

Reenter into the ROM. You can set password lock cancellation. This method may be a bit complicated for friends who can't brush the machine, but it is much simpler if they can brush the machine.

Unlocking method 2: double wipe

Double erasure, also called double W, can be considered as an operation to erase mobile phone data from the professional point of view of brushing enthusiasts. Regarding what wipe means, the professional answer is: wipe means restoring factory settings, including deleting all contacts, text messages and installed software. Commonly known as hard start, restore factory settings. Note: After erasing, you need to redo the app2sd and root permissions. And the important partition steps of app2sd have to be repeated. Double erasure means clearing cache and memory data.

Understand the meaning of wiping, Shuangqing should know. Now that the mobile phone has been restored to the factory settings, the set password lock will naturally be cleared. This operation is relatively simple, but it may have an impact if there are important files in the mobile phone.

Unlocking method 3: Use adb to delete the forgotten screen lock password.

Operating steps:

1 The mobile phone is connected to the computer, but the data connection is not opened, and it is in charging mode.

2 After unzipping adb.zip on the computer, put the adb file in the root directory of drive C of the computer.

3. In the online diagram, delete *. Key file.

4 Enter adb to restart or manually restart the phone to take effect.