My iPhone 7 Plus back camera and flashlight is not working

First, try a forced restart. If that doesn't work take it in to the Apple store to have it looked at.

• Press and quickly release the volume up button

• Press and quickly release the volume down button

• Press and hold the side button.

• When the Apple logo appears, release the button.

Force restart iPhone - Apple Support (IN) https://support.apple.com/en-in/guide/iphone/iph8903c3ee6/ios

Make an appointment at the Genius Bar to have it diagnosed.

Genius Bar Reservation and Apple Support Options - Apple

Hello,

Start here:

If the camera or flash on your iPhone, iPad, or iPod touch isn't working

Good luck.

My iPhone 7plus back camera and flashlight is not working please solve my problem