First of all we must extract the tray of the cards.
Step 2 Back case
Remove the two Pentalobe screws (TS1) and with the help of suction cups and a fine tine, we will unhook all edges of the casing, so as not to damage the casing too much, we can change the metal spike for plastic ones.
Step 3 Earphone contacts
Finally, we will remove the plate with the contacts of the handset that we are going to replace.
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.