Iphone Heats Up After Battery Replacement. If youve done all this and your phones still overheating it might be that your iPhone battery is faulty. I replaced the housing on an iPhone 8 plus and an iPhone xs.

Press and release the Volume Up button and then press and release the Volume Down button. Under regular conditions your iPhone should be cool. Go to Settings - Battery and look at the list of apps in the Battery Usage section to see which apps are using the most battery life and identify apps that could be causing your iPhone to get hot.
Go to Settings scroll down tap on Battery.
After that press and. It becomes very important for every iPhone users who face such problem to fix the situation immediately. For front camera part. When the battery is in low power the device may switch off.
