Note: Charger no response or shows no battery charging icon is also cause by a weak and fully drained battery and or a damaged battery charger. This solution will only work if the device can fully turns On but it doesn't charge up when the battery charger is plug-in.
The solution below may help on how to fix such charging problem if occurred.The highlighted components holds for cahrging operation of the device if one of these components become damaged or faulty it will result to a not charging problem.
Nokia X3-02 Not Charging problem solution
Hints to fix Nokia X3-02 not charging problem:
1. Check the charging pin connector, clean it, including the terminal pads on the PCB board. Replace the charging pin connector if already damaged.
2. Check also the battery terminal connectors, clean it if necessary.
3. Get your multimeter then check the fuse, coil, doide and capacitors for possible shorted and open circuit. Replace if found damaged.
3. Trace and check the Charge IN voltage line paths from the pin connector down to the capacitor near the PEARL IC.
If the above procedures doesn't work and fix the problem, the possible faulty id the PEARL IC, reworking it might only help fix the not charging problem on your Nokia X3-02 repair.