When the Apple phone calls, the back light will light up ... How?

Step 1: First, find the settings in the iPhone, which is the logo as shown in the figure.

step 2: after clicking settings, find GM and click GM.

Step 3: After clicking Enable, find the auxiliary function and click the auxiliary function.

step 4: after turning on the auxiliary function, find the LED flashing to indicate the prompt.

step 5: flash the LED to indicate the right button, and click on it, as shown in the figure. In this way, if you come to text, call or notify, it will flash. If it doesn't flash after clicking, just turn it off and restart it.

Step 6: If you want to turn off the flashing light, just click the LED flashing reminder button to turn it off.