Nokia 6275,6275i Camera and volume control switch button keys Not working solution

Here's the solution that may possibly help fix and repair Nokia 6275 and Nokia 6275i
Camera key, volume up and volume down keys malfunction.
This solution shows the line paths of each corresponding button switches to the keypad filter IC solder bumps.

Nokia 6275, 6275i volume up, volume down 

and camera switch jumper ways solution

Before trying to replace the keypad filter IC, just check and trace first each corresponding line paths for further troubleshooting and repair camera and volume keys problem issues.
This solution was created as per request by one of our gsm brother. Enjoy!