First of all we will have to remove the tray from the cards.
Step 2 Back case
With the help of a plastic opening tool, we uncouple all edges of the back shell.
Step 3 Side push buttons
Using a tool, we lift the tab of the connector, then with the help of a pair of tweezers, remove the flex from the connector, and finally, with the help of a metal tine, we will take off the area of ??the buttons that we are going to change.
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.