The newly launched iPhone 12 mini seems to be suffering from an issue. Some users are reporting that the phone is partly unresponsive while on the lock screen. Some can't launch the camera or flashlight or even just swipe up with their thumb to unlock the phone. Other fingers reportedly work.
A few users speculate the device is suffering from conduction or grounding issues. And it reportedly gets sometimes fixed when the phone is plugged into its charger and used without a case. It isn't clear how widespread the problem is, but we hope to hear more about it from Apple soon.
Source: Engadget