Before starting, make sure that the mobile is turned off.
Step 2 Back cover
Remove the back cover with the plastic opening tool, this will avoid scratching the equipment.
Step 3 Battery
Remove the battery by pulling on the bottom.
Step 4 Back keys
Remove the key holder, held by 2 Phillips screws.
Step 5
Finally, remove the back keys.
Video Tutorial summary
In this video you can watch a quick summary of the tutorial, but we recommend to follow the complete tutorial, with its explanations and detailed images.