Nokia C5-00 Keypad Not Working Problem Solution Ways Jumpers By cell firmware

Nokia C5-00 Keypad Not Working Problem Solution Ways Jumpers.if all or a few keys are not working in nokia C5-00 here is the main parts that are working

to control keypad function in nokia c5-00 so resold these two keypad filter ic and if problem not solve then replace these two keypad filter ic to solve keypad problem in nokia c5-00