Before starting make sure that the mobile is off.
Remove the SIM tray.
Separate the upper and lower trim pieces by pushing them with your fingers.
Remove the 2 Phillips screws that hold the metal housing, as well as the 2 that hold the lower speaker module.
Remove the metal casing, unhooking it from the sides.
Remove the intermediate housing, held by 5 Phillips screws.
Disconnect the battery from the motherboard.
Finally, take off the battery easily, with our double opening tool.
