Thanks for letting us know here about your experience with your Samsung Galaxy M12h having issues with screen touch and battery not charging, and we apologize for the inconvenience it caused you.
I understand what you are feeling right now—not sure of what's next to do after trying out several do-it-yourself tricks—but don't you worry; we are here to assist, guide, and offer solutions to restore your device to optimum performance.
Before you try the recommendations below, be sure to check if your device's software and related apps are updated to the latest version. To update your mobile device's software, follow these steps:
Step 1. Go to Settings > Software update.
Step 2. Tap on Download and install.
Step 3. Follow the on-screen instructions.
Step 4. Restart your device.
Check for foreign objects or moisture.
- If there is any foreign object stuck inside the USB port or the cable, the device’s safeguard may shut off charging for its protection.
With a soft brush, remove the foreign object and try charging again.
- For wireless charging, If there is any foreign object located between the device and the charger, the charging may be slowed.
remove the foreign object and try charging again.
- If there is any moisture detected inside the USB port or the cable, the device’s safeguard will notify you that moisture is detected and will shut off charging.
Try again after the moisture is removed.
Self-Diagnostic check on the Samsung Members app.
Step 1. Run Samsung Members and select Get help on the lower half of the screen.
Step 2. Tap View tests located under Diagnostics.
Step 3. If you would like to run through all of the Diagnostics checks, tap Touch Screen and Battery.
Step 4. Your Galaxy phone will then run through the checks.
Step 5. Follow the on-screen instructions to complete the check.
Step 6. When necessary, you may need to manually run or interact with the corresponding function.
If the problem persists, immediately bring your device to the nearest Samsung Authorized Service Center. Rest assured that our Samsung engineers and technicians are competent to assess your device, offer suggestions, and provide prompt solutions to restore it to optimum performance.
For more assistance and guidance, you may contact us via our online Samsung Customer Care support channels below.