Nokia 2720 fold Power ON-OFF Key Connection TracksNokia 2720 fold Power ON-OFF Key Connection Tracks

Here's the solution for Nokia 2720 fold Power On Off switch or END keypad problem,. This solution may only help fix the  2720 fold Nokia Mobile Phones, if the said device shows charging indications when the phone battery charger is plug-in but it doesn't turn the device ON when the power key is pressed.

To fix this problem, you may first check the keypad interface and keypad membrane for possible oxidation build up, clean or replace it if necessary, it might also cause the navigation and numeric keypad not to work.
Refer to this solution below if the basic procedures above doesn't fix the problem.

Nokia 2720 fold Power ON-OFF Key Connection  Tracks

Just trace the connection of the power key inner core to the capacitor and the ESD protection resistor then mend a jumper wire on it to reconnect if the said line paths is open or cut-off. The outer core is connected to ground lines, so check it as well. Replace those components also those components if necessary. If the connection paths and those components is okay, but still the 2720 fold don't turn ON, the possible problem may lies on the connection to the LITEPLUS IC. Reworking it and tracing the power key paths on the solder ball bumps C2 will only fix the problem.
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