Before starting make sure that the mobile is off.

Remove the SIM and SD cards

Hold the screen with the suction cup and use the wide part of the double opening tool to separate the back cover, frame included.

Remove the 4 Phillips screws that hold the upper module.

Remove the top module with earphone.

Unplug the connectors from the bottom of the motherboard: battery, display and bottom plate.

Unplug the remaining components from the motherboard: power button, rear camera and audio connector.

Disconnect the upper end of the coaxial cable.

Disconnect the data flex from the touch screen.

Remove the 2 Phillips screws securing the motherboard.

Separate the plate as shown in the photos, as it is still connected by the flex of the ignition button.

Disconnect the flex from the ignition button.

Finally, take off the flex with the ignition button of the chassis.