the bottom of my nokia n95 is chipped, it is next to the usb port and it is located at the bottom right of the phone, below keyboard (the chip is on the housing which covers the usb port and charger port and i want to replace this bottom bit of housing so how would i do it? i lifted up the keyboard and found 2 screws but none of the screw drivers i have fit the screws. I tried a t5 screw driver as this is what is recommended when i searched google but a T5 is too big. but im in england and the screw driver sizes might differ from american. so what type of screw driver do i need? i tried to take off the front of the phone thus exposing the screen with a small screwdriver but it doesnt work for the other screws which i need to unscrew to replace the bottom housing. so which screw driver(s) do i need? not sure about sizes etc