Press and hold the volume down and home button together until the screen displays the apple logo.
Iphone 7 plus front camera not working solution.
Now camera should function normally.
The software bug can be the reason why your iphone rear camera is not working.
To get rid this problem updating the ios seems to be a great idea.
The iphone will restart and you can now check the camera is working now or not.
If there is a new software update available iphone will download the update first.
Generally speaking there are two reasons for the front camera of iphone 7 not working.
Press and hold the home button and power button volume down button and power button for iphone 7 7 plus until the apple logo appears.
You can check if there is an ios update go to settings general software updates.
How to fix iphone 7 7 plus camera not working black screen fix 1.
If you are sure that your mobile phone had never been dropped or broken you should consider whether it is caused by system problem.
This does not just shut down the application but reboots the whole system.