Before starting make sure the phone is switched off.

Remove the back cover with the opening tool, this will avoid scratching or damaging the casing.

Remove the battery by pulling on the bottom.

Remove the SIM card and micro SD.

Remove the 6 screws that hold the intermediate housing.

Notice that one of the screws is hidden by a white sticker.

Remove the intermediate housing with the opening tool.

Remove the 2 Phillips screws that hold the motherboard.

Unplug and detach the front camera from the motherboard.

Remove the volume keys.

Unplug the rear camera.

Disconnect the flex cables from the display and digitizer.

Use the pick to release the flexes of the power and volume keys.

The base plate continues to be held behind, at the bottom, by the flex that connects it to the bottom plate and the antenna coaxial cable.

It is necessary to turn the base plate, from the top, to disconnect the flex and coaxial cable

Finally, disconnect the interconnection flex and the coaxial cable.

Disconnect the lower ends of the coaxial cable.

Peel off the adhesive covering the interconnection flex.

Peel off the bottom plate by prying it gently with the opening tool.

If it heats up a bit, the plate will detach more easily.

Finally disconnect the interconnection flex.