Before you start, make sure your mobile is turned off.

Remove the back cover with the help of the tine, unhooking the plastic tabs located around the contour.

Remove the SIM and SD cards.

Remove the four rubber caps with "Smileys" drawn: D, located in the 4 corners of the phone.

Remove the 6 Torx screws.

Remove the intermediate housing, releasing the plastic hooks with the tine.

Disconnect the lower end of the coaxial cable.

Disconnect the display flex.

Even if the battery is not shown in the pictures, it is NOT necessary to remove it for this step.

Finally, lift off the lower plate by gently prying it off.