Nokia 105 Rm 908 Keypad Ways |best|
If cleaning doesn't work, you likely have a broken "way" or track. Technicians use a multimeter set to to test continuity between the key pads and the CPU or surrounding resistors. Common Keypad Symptoms:
: If the keypad is locked and asking for a code, the default factory security code is typically Hard Reset nokia 105 rm 908 keypad ways
The RM-908 uses a (4 rows, 4 columns) to scan 16 keys, though the phone has fewer physical keys. Unused matrix positions are left open. If cleaning doesn't work, you likely have a
: Check the small resistors in series with the keypad lines. If one side shows a reading (GR) and the other doesn't, you can short the resistor to restore the signal. If cleaning doesn't work