Keys and parts
1 Micro-USB/Charger connector
2 Headset connector (Nokia AV connector 3.5 mm)
3 Lock key
4 Earpiece
5 Menu key
6 End/Power key
7 Microphone
8 Call key
9 Touch screen
10 Proximity sensor. Automatically switches the touch screen off during calls.
11 Volume/Zoom keys
12 Camera key
13 Lanyard/Wrist strap hole
If there is protective tape on the camera lens, remove the tape.