Hello! I'm sorry to hear about the issue you're experiencing with the touchscreen not responding properly after updating to Samsung A05's One UI 6.1. It can indeed be frustrating when you have to keep restarting your phone to make the screen work again.
To address this problem, you can try the following troubleshooting steps before considering downgrading your software:
1. Restart Your Phone: Sometimes, a simple restart can resolve temporary software glitches.
2. Clear Cache Partition: Turn off your phone and boot into recovery mode by pressing and holding the Volume Up button and the Power button simultaneously. From there, select "Wipe cache partition" using the volume buttons to navigate and the power button to confirm.
3. Update Apps: Make sure all your apps are up to date as outdated apps can sometimes cause compatibility issues with the new software.
4. Factory Reset: If the issue persists, you can perform a factory reset to see if it resolves the problem. Make sure to back up your important data before doing this as it will erase all data on your phone.
If the issue still persists after trying the above steps, you may consider downgrading the software. However, please note that downgrading software can be a complex process and may void your warranty. It's recommended to seek assistance from a Samsung service center or a professional technician to avoid any potential risks.
If you decide to proceed with downgrading, you will need to find the appropriate firmware for your device model and region, as well as use tools like Odin to flash the firmware onto your device. Detailed guides and tutorials can be found online, but proceed with caution.
I hope these suggestions help resolve the touchscreen issue on your Samsung A05. Let me know if you need further assistance or have any other questions!
PH