1. *#*#4636#*#* - About phone.2. *#*#7780#*#* - Restore factory.
3. *2767*3855# - Reinstalls phones firmware.
4. *#*#34971539#*#* - About camera.
5. *#*#7594#*#* - Changing the power button behavior enables direct power off.
6. *#*#273283*255*663282*#*#* - Backup media files.
7. *#*#197328640#*#* - Test mode for service activity.
8. *#*#232339#*#* - Wireless lan test.
9. *#*#232338#*#* - Displays Wi-Fi mac address.
10. *#*#1472365#*#* - GPS test.
11. *#*#1575#*#* - Different GPS test.
12. *#*#0283#*#* - Packet loop back test.
13. *#*#0*#*#* - LCD display test.
14. *#*#0673#*#* - Audio test.
15. *#*#0842#*#* - Vibration and backlight test.
16. *#*#2663#*#* - Displays touch screen test.
17. *#*#0588#*#* - Proximity sensor test.
19. *#*#232331#*#* - Bluetooth test.
20. *#*#7262626#*#* - Field test.
21. *#*#232337#*#* - Displays bluetooth device address.
22. *#*#8255#*#* - G-talk monitoring.
23. *#*#4986*2650468#*#* - PDA, hardware, phone, RF call date firmware info.
24. *#*#1234#*#* - PDA and phone firmware info.
25. *#*#1111#*#* - FTA software version.
26. *#*#44336#*#* - Displays build time and change list number.
27. *#06# - IMEI - Number.
28. *#*#8351#*#* - Enable voice dialing logging mode.
29. *#*#8350#*#* - Disable voice dialing logging mode.
30. **05***# - Execute from emergency dial screen to unlock PUK code.