Options. Connect the phone, then wait five minutes before attempting a Force Restart. This ensures that the phone has adequate power to restart, and rebooting the phone may clear any faults impacting the screen. Remove the battery if feasible, wait 30 seconds or more, then reinstall the battery and turn on your phone. Restart your Phone. If your Samsung Galaxy A30s screen is unresponsive, try restarting your phone. This shuts down and refreshes all background services, which could have crashed and led to your issue. You can restart your phone by holding down the power button and selecting “Restart” from the menu. Try holding down the power button and Long-press the Power button and tap Shutdown in the power menu to turn off your phone. Once the phone is off, wait for like 5-10 minutes. Long-press the Power button again to boot up your smartphone. Test the screen once the device has finished booting. If not, try the next step below. Galaxy Watch. If the watch screen is slow to respond, frozen, or not responding at all the issue could be caused by outdated software, a third party app, or even the watch's physical condition. Unclean hands, optional accessories, gloves, and sharp objects can also prevent the screen from responding properly. It has worked fine until I dropped it a few nights ago. Now all of a sudden the touchscreen doesn't seem to be working correctly It will lag or stop responding or respond erratically. I tried several fixes including taking the battery out, restarting, doing a TPS grid check,putting it in safe mode and uninstalling and reinstalling apps, etc. Thanks. Solution: The first thing that you should do in this case is to simulate a battery pull by pressing and holding the power and volume down button for at least 10 seconds. Your phone should 1.1 Fix 1: Force Reboot your Galaxy A12. 1.2 Fix 2: Factory reset your Samsung Galaxy A12. 1.3 Fix 3: Wipe system cache partition in your Samsung A12. 1.4 Fix 4: Reset your device all default settings. 1.5 Fix 5: Update your Galaxy A12 to the latest software version if available. 1. Some users claimed they have been able to solve the problem by enabling developer settings in the phone. 2. Removing the screen Protector can solve the problem, maybe Their is some combination of Electrostatic build up and the conductivity of the adherent material on the screen protector, registering as touches. 3. 7L1z0.