Tools required: Phillips screwdriver, plastic tool such as a guitar plectrum or credit card.
Remove your back cover, battery, sim and memory card. Remove the four screws you can see.
Run your plastic tool all the way around the join of the battery compartment to release it.
lever it away from the circuit board to unplug it.
Your phone should now look like below. Remove the six circled screws. The slide will now be loose and can be removed. Carefully slide the flex ribbon (circled) through the gap in the slide when you remove it.
Your phone should now look like below. You now need to remove four more screws. The two screws at the top are covered with small circular stickers. Just peel them back with your fingernail.
Unclip the black part shown below.
Run your credit card around the join of the front cover to release it. Then push the metal part in the direction shown by the arrow. Next slide the ribbon through the gap.
Your phone should now look like below.
Peel back the translucent/green sticker, as show below. Now release the circled ribbons and the one indicated by the arrow (obscured by the flex ribbon in the photo below). To do so, flick the brown latches up and then pull each ribbon away. Now slide your credit card between the front cover and LCD to release the LCD screen.