1 — Power key
2 — Headset connector
3 — Earpiece
4 — Optical Navi™ key (scroll key)
5 — Selection key
6 — Call key
7 — Microphone
8 — Keypad
9 — End key
10 — Selection key
11 — Light sensor
12 — Secondary camera

1 — Function key
2 — Shift key
3 — Sym key
4 — Backspace key
5 — Enter key
6 — Control key

1 — Micro USB connector
2 — Memory card slot
3 — Volume up key
4 — Voice key
5 — Volume down key

Lock and unlock the keys