Tools required: Torx 5 screwdriver
First remove the sticker in the large circle to reveal a screw. Then remove all three screws you can see. The front cover will now be loose and can be removed.
With the front cover removed you have access to the outer LCD screen. This is attached to the phone by a connector, which is circled. This connector attaches like a plug and socket. Simply lift it up, away from the phone, to disconnect it. Remove the keypad, which will be loose.