Android Secret Codes

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 Physic 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. Disables Voice Dialing Logging Mode: *#*#8350#*#*
39. Change behavior of Power button: *#*#7594#*#*

 All the above-given codes are tested and working fine, but codes may not work single device. You can just try find which work or which not. Be alert while using them we are not responsible for any data loss or other problem. If you had any problem while trying must leave your comment.