Answer to: iPhone 7 home button not working after screen replacementActually, I had the same issue. I tried to adjust the home button intensity, changed the home button click speed, and uses AssistiveTouch to override this issue. And it really worked for me.
Answer to: camera is not working . it says can't connect to cameraWhenever I am facing camera errro on my OnePlus 3 phone. I will wipping Camera App cache and Wipe Data. Below are steps to Clear Camera App Cache and Data: Go to Settings -> Apps - > Find Camera App - > Storage - > Tap on Clear Cache and Data. Hope this solution help to fix Camera issue on your Android phone. Suraj Padmasali