Tools required: Torx 4 screwdriver, plastic tool such as a guitar plectrum or credit card.

• Remove your back cover, battery and sim. Now remove the four screws circled in red.

• Turn the phone over and open the slide. You'll be able to lever the keypad and keypad surround out around its edge.

• Now remove the other four screws from the back of the phone. The battery compartment will now be loose and can be lifted away from the main body of the phone.

• With the battery compartment removed your phone should look like below. A ribbon connector needs to be detached (circled). This attaches like a plug and socket. Just lever it up to unplug. You can now remove the circuit board.

• Your phone should now look like below.

• Move the slide part down to reveal two screws. Remove these screws. Now pull the edges of the front cover in the direction shown by the arrows to release the front cover.

• You should now have the front cover removed. Lever the black part off indicated by the arrow.

• Your phone should now look like below. A ribbon connector needs to be detached (circled). This attaches like a plug and socket. Just lever it up to unplug. Now slide your plastic tool under the LCD screen to remove it.

• You should now have the LCD screen removed. Reverse the whole procedure for reassembly.