To start we will remove the two Pentalobe 0.8 screws (TS1), and using a suction cup and a fine tool we will lift the screen.

We remove the four Phillips screws (PH # 00) that hold the shield that we indicated in the first photo of this step, remove the shield, and with the help of a flat tool we will disconnect the battery to work with greater security.

We remove the four Phillips screws (PH # 00) that hold the upper shield, and with the help of a flat tip tool we will disconnect the components that connect the screen to the motherboard.

We remove the two screws that hold the rear camera, one is a Phillips (PH # 00) and the other is a Standoff, we remove the shield that covers the camera, we disconnect it and remove it with the help of a flat tool.

We extract the two Phillips screws (PH # 00) that hold the antenna, and with the help of a flat tool we will disconnect it and take it off.

We remove the four Phillips screws (PH # 00) that hold the cover, and we will remove it.

We remove all the screws we pointed out in the first photo, Phillips (PH # 00) and Standoff, and the shields and antenna contacts.

We disconnect all the components that are connected to the motherboard.

We remove the card tray, and we will remove two Standoff screws, and the Phillips screw (PH # 00) that is hidden under an adhesive.

We remove the four Phillips screws (PH # 00) and the Triwing (Y0.6) that hold the shield and the speaker, and with the help of a flat tool we will take it off.

Finally we will only have to take off the faulty GSM antenna that we have to replace.