Removing the back cover of the phone to add some personal flare to your phone.
Replace a dead or dying battery to regain usability of your phone.
Replace the Motherboard to allow the phone to function properly.
Replace the vibrator so you can tell when someone is calling or texting you.
Replace your microphone so you can actually talk to people on the phone.
Removing your keypad allows you to replace it if the buttons no longer work...
Remove the case in order to access the Screens.
Replacing your Screen allows you to see what your doing on your phone.
Remove the case in order to access the Motherboard.
Removing the speaker will allow you to install a new one so your phone can...