Tools required: Torx 6 screwdriver, plastic tool such as a credit card or guitar plectrum
First remove the battery cover, battery, sim and memory card.
Run your plastic tool around the edge of the join of the camera surround to unclip it.
With the camera surround removed your phone will now look like below.
Slide your plastic tool underneath the keypad to unclip it.
A ribbon, circled, connects the LCD to the circuit board. This attaches like a plug and socket. Simply lift it up to unplug.
You can now remove the LCD and replace with new. Reverse the whole procedure for reassembly.