Apple's mobile phone received a flash point. Turn it off.

1. First, after entering the setting application interface, slide the screen down to the auxiliary function bar option and click to enter its interface.

2. Secondly, click the audio-visual option in the auxiliary function interface to enter the new interface.

3. Finally: In the audio-visual interface, just click the switch button on the right and the LED flashes to remind you to turn it off.