Tools required: Phillips screwdriver, plastic tool such as a guitar plectrum or credit card, suction cup, needle/drawing pin/paperclip or something similar.
- First push something like a paper clip into the hole at the top of the phone. This will release the sim holder.
Now remove the screw circled in the picture below.
Slide something like a credit card under the LCD screen to release it.
You should now have the LCD screen removed. Reverse the whole procedure for reassembly.