Here's the Nokia X3-02 solution for not working touch screen problem. This solution ma help if you already tried calibrating the touch screen settings, updating or restoring the device flash firmware and replacing the touch sensitivity screen module but the problem still exists.
The solution we provide is the solution for hardware troubleshooting on
Nokia X3-02 touch screen problem. This will help for wet or water
damaged Nokia X3-02 touch and type that result to touch screen
Just refer to the solution below
and do some check up on the highlighted components.
Hints on troubleshooting touch screen failure on Nokia X3-02:
This will work if you already tried replacing the touch screen module and restoring the device firmware.
1.Check/clean the touch screen pin connector, re-solder it if necessary.
2. Check/read the touch screen supply voltage (VIO 1.8V) across to the filter coil.
If the voltage is missing check/replace the 0 ohms resistor, or apply a jumper if the line paths is open or cut.
3. Trace the RESET and PINT DAV line paths. apply a jumper if connection is open or cut.
4. Rework, re-ball or replace the Touch Controller chip.