There is no sound on the iPhone 6s, which is a setting error.
Need tools: iphone 6s mobile phone
Specific operation steps:
1. Unlock the iphone 6s mobile phone to the home screen page and turn on the mute button on the side of the iphone 6s fuselage.
2. press and hold the volume button on the side of the iphone 6s to turn the volume to the maximum.
3. Find and open the settings after completing the volume adjustment.
4. after entering the settings, turn on the general function.
5. in the general function menu bar, select auxiliary function to open.
6. in the management settings page of auxiliary functions, select the telephone noise cancellation function and turn it on.
7. after successfully turning on the telephone noise cancellation function, select the channel balance function.
8. drag the channel balance button to the middle to keep the left and right channels balanced, which can solve the problem that there is no sound when the iphone 6s is played externally.