If the touchscreen is not working or is unstable, you should first check for software updates. If there are, it is important to install them, as they may correct problems with the touchscreen.
You can also try restarting your device. This will update the system and possibly solve any touchscreen problems.
If the problem persists, you may need to reset your device to factory mode and reinstall all applications. This will restore the software to its original settings and may resolve any touchscreen issues.
It's also worth checking the touchscreen for any debris or dirt that could interfere with the touch response. If you find any, wipe them off with a damp cloth.
If none of the above solutions work, it may be time to take your device in for repair. A technician should be able to diagnose and fix any hardware-related problems with the touchscreen.
Following these steps should solve any problems with the touchscreen. If you continue to experience problems, do not hesitate to seek professional help.
I hope this information has been useful in solving any problems with the touchscreen. If you have any other questions or problems, please do not hesitate to contact us.