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.
Iphone 7 plus front camera not working solution.
How to fix iphone 7 7 plus camera not working black screen fix 1.
If there is a new software update available iphone will download the update first.
The iphone will restart and you can now check the camera is working now or not.
You can check if there is an ios update go to settings general software updates.
This does not just shut down the application but reboots the whole system.
To get rid this problem updating the ios seems to be a great idea.
Press and hold the volume down and home button together until the screen displays the apple logo.
Press and hold the power button and the volume down button at the same time until the phone turns off.
The software bug can be the reason why your iphone rear camera is not working.
One is software problem and the other is hardware problem.
The first thing to try is to reset your smartphone as it s possible a software problem is making your camera not work.