Secreat codes in android
1. For IMEI Number: *#06#
2. For RAM Memory version: *#*#3264#*#*
3. For FTA SW version: *#*#1111#*#*
4. For FTA HW version: *#*#2222#*#*
5. For Touchscreen version: *#*#2663#*#*
6. To test Bluetooth: *#*#232331#*#*
7. To display Bluetooth Physical Address: #*#232337#*#
8. To test secret GPS: *#*#1472365#*#*
9. To test other GPS: *#*#1575#*#*
10. To test WiFi/Wireless LAN of phone: *#*#232339#*#* or *#*#528#*#* or *#*#526#*#*
11. To display Wi-Fi MAC Address: *#*#232338#*#*
12. To test Vibration and Back-light of device: *#*#0842#*#*
13. To test Proximity/Distance Sensor: *#*#0588#*#*
14. To test Touchscreen: *#*#2663#*#*
15. For Audio Test: *#*#0289#*#* or *#*#0673#*#*
16. To launch Service Mode: *#*#197328640#*#*
17. Hidden Service Menu (Motorola Droid): ##7764726
18. Field Test: *#*#7262626#*#*
19. To format the phone: *2767*3855#
20. To Restore Factory Settings: *#*#7780#*#*
21. To create Immediate backup of your multimedia files: *#*#273282*255*663282*#*#*
22. To display Phone Information: *#*#4636#*#*
23. To get detailed Camera Information: *#*#34971539#*#*
24. For Software & Hardware Information: *#12580*369#
25. To display HSDPA/HSUPA Control Menu: *#301279#
26. To start GTalk Monitoring: *#*#8255#*#*
27. To get PDA, Phone, H/W and RF Call Date: *#*#4986*2650468#*#*
28. Displays Build Time and Change List number: *#*#44336#*#*
29. Packet Loopback Test: *#*#0283#*#*
30. LCD Display Test: *#*#0*#*#*
31. Enter Service Menu (on New Phones): *#0*#
32. Diagnostic Configuration: *#9090#
33. USB Logging Control: *#872564#
34. System Dump Mode: *#9900#
35. View Phone Lock Status: *#7465625#
36. Executes Emergency Dial Screen to unlock PUK Code: **05**#
37. Enables Voice Dialing Logging Mode: *#*#8351#*#*
38. Disable Voice Dialing Logging Mode: *#*#8350#*#*
39. Change behavior of Power button: *#*#7594#*#
