* Remove the battery, back cover, stylus and your memory card. Remove the two torx screws and one cross head screw.
* You can now remove the camera surround by running your fingernail around the join.
* With the camera surround removed you now have access to two more torx screws. Remove these.
* . You can now remove the front cover by running your fingernail around the join then lift from right to left as the front cover is still connected by a ribbon on the left side. If this disconnects it simply pushed back in like a plug and socket.
* With the front cover detached you can now see the ribbon refered to in the above step (indicated by the screwdriver in the photo below).
* Pull the LCD screen towards you and you'll see the ribbon connector which attaches the screen to the circuit board. It attaches like a plug and socket. Simply lift it up to unplug it.
* You should now have the LCD screen removed and you can replace with new. Reverse the whole procedure for reassembly.
Source: www.formymobile.co.uk