This solution may help fix Nokia 2680 slide On off key malfunction.
Note this solution can be applied if the flex cable is working okay or having tried replacing a new one but the on off key won't work and it shows charging indication on the LCD display when the battery charger is plug-in.
From the keypad pin connector there is a resistor that has a 0 ohms resistance value. You may need to check this resistor if open, replacing it or shorting it may fix the problem
Note this solution can be applied if the flex cable is working okay or having tried replacing a new one but the on off key won't work and it shows charging indication on the LCD display when the battery charger is plug-in.
Nokia 2680S On-off key failure solution
From the keypad pin connector there is a resistor that has a 0 ohms resistance value. You may need to check this resistor if open, replacing it or shorting it may fix the problem
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