I8552 the screen will always have a flashing red border. How can this problem be solved?

Source: Internet
Author: User

1. Click the application icon on the standby page.


2. Click the set icon.


3. Move the screen up and click developer options ].

4. Move the screen up and remove the check box in strict mode.


After the above settings are complete, restart the phone and the red box will disappear.

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