if you are searching for Redmi 7A Touch screen problem solution Touch Ways and Touch Screen failure issues and then you landed at the right place you’ll do replacing the touch plate module, trying to calibrate the touch screen setting but unresponsive and restoring, upgrading and flashing the device firmware but nothing happens, the problem still exists and the touch screen left unresponsive.
This sometimes happens if the device suffered due to a wet damaged, heavily dropped and any related damage accidentally done by the user. In this case, only a hardware repair may only help solve the problem. This solution below shows the Redmi 7A PCB board components that hold and control the touch screen panel to work.
Causes of Redmi 7A Touch Screen Problem
- Broken or damaged touch screen
- Rust from water damage
- Disconnection from the touch screen socket or connector
- A damaged or broken connecting path (open circuit)
- A faulty or missing resistor, capacitor, IC (integrated circuit), etc
- A bad firmware or operating system software files
From the above list, you would by now understand that the problem can be multifaceted, as a result one will need to troubleshoot for the possible cause of the Redmi 7A touch calibrator problem to be able to fix it up.
Redmi 7A Touch Screen Ways Touch Jumper:
Here is the hardware solution of Redmi 7A touch ways problem 
Unplug and plug touch screen strip and check.
Plug-in any other good Touch Screen and Check.
This step is to verify whether the problem is in hardware or Redmi 7A touch screen is faulty If the problem is in hardware then clean touch onboard connector and check.
Gently heat surrounding components of touch screen and check.
Re-solder each pin of the touch connector and check.
Redmi 7A Touch Screen Ways Problem Jumper
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