List of secret codes:
Generic Android Secret Codes
Description Code
1. Testing Menu *#*#4636#*#*
2. Display Info about device *#*#4636#*#*
3. Factory Restore *#*#7780#*#*
4. Camera Information *#*#34971539#*#*
5. Completely Wipe device, install stock firmware *2767*3855#
6. Backup all media files *#*#273283*255*663282*#*#*
7. Wireless LAN Test *#*#232339#*#* OR *#*#526#*#*
8. Change Power button behavior *#*#7594#*#*
9. Quick GPS Test *#*#1472365#*#*
10. Test mode for service activity *#*#197328640#*#*
11. Wi-Fi Mac Address *#*#232338#*#*
12. Another GPS test *#*#1575#*#*
13. Packet Loopback Test *#*#0283#*#*
14. Audio Test *#*#0673#*#* OR *#*#0289#*#*
15. Vibration and Backlight test *#*#0842#*#*
16. Check touch screen version *#*#2663#*#*
17. LCD test *#*#0*#*#*
18. Touch Screen test *#*#2664#*#*
19. Proximity sensor test *#*#0588#*#*
20. RAM version *#*#3264#*#*
21. Bluetooth test *#*#232331#*#*
22. Field Test *#*#7262626#*#*
23. Check Bluetooth device address *#*#232337#*#
24. Google Talk service monitoring *#*#8255#*#*
25. PDA, Hardware, Phone and RF Call Date info *#*#4986*2650468#*#*
26. PDA and Phone firmware check *#*#1234#*#*
27. FTA hardware version *#*#2222#*#*
28. FTA software version *#*#1111#*#*
29. Displays IMEI number *#06#
30. Enables voice dialing logging mode *#*#8351#*#*
31. Disables voice dialing logging mode *#*#8350#*#*
32. Brings up Epst menu ##778 +call
33. Displays Build time and change list number *#*#44336#*#*
34. Remove Google account setting *#*#7780#*#*
35. Reinstall the firmware *2767*3855#
36. Used to enter into Service mode *#*#197328640#*#*
37. Battery Status *#0228#
38. Data create menu *#273283*255*3282*#
39. Data usage status *#3282*727336*#
40. OTA update menu *#8736364#
41. RF band selection *#2263#
42. Diagnostic configuration *#9090#
43. USB 12C mode control *#7284#
44. USB logging control *#872564#
45. Debug dump menu *#746#
46. System dump mode *#9900#
47. Shows Build time change list number *#*#44336#*#*
48. NAND flash serial number *#03#
49. Real time clock test *#0782#
50. Light sensor test *#0589#
51. Quick test menu *#7353#
52. Execute from Emergency dial screen to unlock PUK code **05***#
---------------------------------------------------------------------------------- 2. Samsung Secret Codes
Description Code
1. Display IMEI number *#06#
2. Display current firmware *#1234#
3. Diagnostic and general settings mode #*#4636#*#*
4. Factory soft reset *#*#7780#*#*
5. To display product code *2767*4387264636#
6. GPS test settings *#*#1472365#*#*
7. Service mode main menu *#*#197328640#*#*
8. SW & HW Info *#12580*369#
9. Bluetooth Address *#232337#
10. ADC Reading *#0228#
11. RF Band Selection *#2263#
12. Ciphering Info *#32489#
13. Bluetooth Test Mode *#232331#
14. Diagnostic Configuration *#9090#
15. WLAN Test Mode *#232339#
16. Vibration motor test *#0842#
17. WLAN MAC Address *#232338#
18. USB I2C Mode Control *#7284#
19. Audio Test Mode *#0673#
20. General Test Mode *#0*#
21. USB Logging Control *#872564#
22. GCF Configuration *#4238378#
23. Real Time Clock Test *#0782#
24. Audio Loopback Control *#0283#
25. LBS Test Mode *#3214789650#
26. GPS Control Menu *#1575#
27. RIL Dump Menu *#745#
28. Data Create Menu *#273283*255*3282*#
29. Proximity Sensor Test Mode *#0588#
30. Camera Firmware Update *#34971539#
31. Light Sensor Test Mode *#0589#
32. WLAN Engineering Mode *#526#
33. Debug Dump Menu *#746#
34. NAND Flash S/N *#03#
35. Software Version Info *#44336#
36. System Dump Mode *#9900#
37. Data Create SD Card *#273283*255*663282*#
38. Data Usage Status *#3282*727336*#
39. TSP / TSK firmware update *#2663#
40. Remap Shutdown to End Call TSK *#7594#
41. Camera Firmware Menu *#7412365# and *#*#34971539#*#*
42. WLAN Engineering Mode *#528#
43. Melody Test Mode *#0289#
44. OTA Update Menu *#8736364#
45. Test History *#07#
46. HSDPA/HSUPA Control Menu *#301279#
47. Quick Test Menu *#7353#
48. View Phone Lock Status *#7465625#
49. Auto Answer Selection *#272886#
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3. HTC Secret Codes
Description Codes
1. Device information program #*#4636#*#*
2. Field Test *#*#7262626#*#*
3. HTC Function Test Program *#*#3424#*#*
4. Display Software version *#*#1111#*#*
5. Display hardware version *#*#2222#*#*
6. Wi-Fi Mac Address *#*#232338#*#*
7. Bluetooth Mac Address *#*#232337#*#
8. GPS Test *#*#1472365#*#*
9. GPS Test 2 *#*#1575#*#*
10. Bluetooth test *#*#232331#*#*
11. Display test *#*#0*#*#*
12. Touch Screen version *#*#2663#*#*
13. Touch Screen Test *#*#2664#*#*
14. Debug UI #*#759#*#*
15. Factory format *2767*3855#
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4. Motorola Secret Codes
Description Codes
1. Display IMEI number *#06#
2. Service menu (Available on newer phones) *#0*#
3. Wireless LAN tests *#*#232339#*#*
4. Backlight/vibration test *#*#0842#*#*
5. Display phone information, battery & history usage statistics *#*#4636#*#*
6. Reset phone factory data reset ( It will not remove data or application) *#*#7780#*#*
7. Format device to factory reset (will delete everything on phone) *2767*3855#
8. Backup of all media files *#*#273282*255*663282*#*#*
9. Enable test mode for service *#*#197328640#*#*
10. Diagnostic configuration *#9090#
11. Test the touchscreen *#*#2664#*#*
12. View phone lock status *#7465625#
13. System dump mode *#9900#
14. FTA SW Version *#*#1111#*#*
15. FTA HW Version *#*#2222#*#*
16. HSDPA/HSUPA Control *#301279#
17. USB logging control Menu *#872564#*
18. Hidden service menu (Motorola Droid) ##7764726
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5. Sony Secret Codes
Description Codes
1. Used to access phone Information (allows you to change the SMS service centre number and more)
*#*#4636#*#*
2. Factory reset on Xperia Z *2767*3855#
3. Shows complete information about the camera *#*#34971539#*#*
4. Used for changing the power button behavior, it also enables direct power off once the code is enabled *#*#7594#*#*
5. For a quick backup to all your media files. *#*#273283*255*663282*#*#*
6. Enables test mode for service activity *#*#197328640#*#*
7. Wireless LAN Tests *#*#232339#*#* or *#*#526#*#* or *#*#528#*#*
8. Used to Display Wi-Fi Mac-address *#*#232338#*#*
9. Used for a quick GPS test *#*#1472365#*#*
10. For another different type of GPS test *#*#1575#*#*
11. Packet Loopback test *#*#0283#*#*
12. LCD display test *#*#7378423#*#*
13. To test Audio of Xperia U *#*#0673#*#* or *#*#0289#*#*
14. Vibration and Backlight test *#*#0842#*#*
15. Displays touch-screen version *#*#2663#*#*
16. Touch-Screen test *#*#2664#*#*
17. Proximity sensor test *#*#0588#*#*
18. RAM version *#*#3264#*#*
19. Bluetooth test *#*#232331#*#*
20. Field Test *#*#7378423#*#* or *#*#7262626#*#*
21. Displays Bluetooth device address *#*#232337#*#*
22. For Google Talk (GTalk) service monitoring *#*#8255#*#*
23. PDA, Phone, Hardware, RF Call Date firmware info *#*#4986*2650468#*#*
24. PDA and Phone firmware information *#*#1234#*#*
25. FTA Software version *#*#1111#*#*
26. FTA Hardware version *#*#2222#*#*
27. Displays Build time and change list number *#*#44336#*#*
28. Displays IMEI number *#06#
29. Enables voice dialling logging mode *#*#8351#*#*
30. Disables voice dialing logging mode *#*#8350#*#*
31. Execute from Emergency dial screen to unlock PUK code **05***#
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6. LG Secret Codes
Description Codes
1. AT&T: Hidden Menu 3845#*850#
2. Sprint: Hidden Menu 5689#*990#
3. T-Mobile: Hidden Menu 3845#*851#
4. Verizon Wireless: Hidden Menu ##228378 (+ send)
5. International Models: Hidden Menu 3845#*855#
6. Korean models: Hidden Menu 3845#*400#
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Secret Hack Codes for Android Mobile Phones:
1. Complete Information About Your Phone
*#*#4636#*#*
2. Factory data reset
*#*#7780#*#*