The Nokia 105 RM-908 does not use a traditional tactile switch matrix. Instead, it utilizes:
: If the keys work but the phone is "stuck," use the hard reset code *#7370# (default security code is 12345 ). 2. Identifying Hardware Failures
: Ensure the keypad isn't simply locked by going to Menu > Settings > Security > Keyguard .
Remember: 90% of keypad way failures are either at the connector pins or within 2cm of the CPU. Methodical testing will save you hours of guesswork.
Here are the keypad ways for the Nokia 105 (RM-908):