- Broken or damaged touch screen
- Rust caused by water damage
- Disconnect from touch screen connection
- Broken or damaged connection path (open circuit)
- Resistor, capacitor, IC (integrated circuit) faulty or missing
- Invalid software or operating system
Solution for Samsung Galaxy A72 touch screen problem
- Unplug, re-plug the touch screen and test.
- Replace the touch screen with another and test.
- If the problem is not fixed, clean the touch connector on the board and check.
- Lightly heat the surrounding components of the touch screen and test.
- Solder each pin of the inductive connector and check.
Please note that we will update the latest solutions here or add new solutions if found on this page at any time in the future. So feel free to come back anytime on this page for updates.