Open the back cover.
Using the key tool, open the SIM cards tray and remove it.
Do not push too hard this may cause damage.
Using a screwdriver (Phillips 1.5 mm PH000), unscrew 7 bolts and a screwdriver (hex T6), unscrew 1 bolt in the frame of the phone.
Separate the display module from the cover.
The display module connected with the PCB via an FFC cable.
Using a screwdriver (Phillips 1.5 mm PH000), unscrew 1 bolt and remove the bracket with Power button and headphone jack/socket.