Guide to replacing keypad of Nokia 3360
Press down on the back of the phone with your thumb. Then slide the back plate upward toward the top of the phone.
Lift the back plate off the phone.
To release the battery, press the two tabs that are located directly above the battery towards the top of the phone at the same time.
Lift the battery out of the phone.
Use finger nails of your thumbs to gently pull apart the face plate.
While the face plate is pulled apart, use index fingers to pull inner case towards you.
Separate faceplate and inner case.
Gently peel up the edge of plastic keypad from the inside of the faceplate to remove.