iPhone 7 plus1x rear camera not working

Hello zayar96, 

Thank you for the screenshot. We can see that the rear camera on your iPhone 7 Plus at 1x is showing a black screen. 

Is this happening for the rear camera as a whole, or just the 1x? Here are some steps to take to help further isolate and troubleshoot camera issues - If the camera or flash on your iPhone, iPad, or iPod touch isn't working

Let us know what the results are.