Samsung Galaxy S3 Secret Codes :

HOW TO RUN THESE COMMANDS :

Connect your phone into debug mode .. Settings -> USB Debugging Enable it.

1. *#1234# (View SW Version PDA CSC, MODEM)
2. *#0*# (General Test Mode)
3. *#12580369# (SW & HW Info)
4. *#197328640# (Service Mode)
5. *#0228# (ADC Reading)
6. *#32489# (Ciphering Info)
7. *#232337# (Bluetooth Address)
8. *#232331# (Bluetooth Test Mode)
9. *#232338# (WLAN MAC Address)
10. *#232339# (WLAN Test Mode)
11. *#0842# (Vibra Motor Test Mode)
12. *#0782# (Real Time Clock Test)
13. *#0673# (Audio Test Mode)
14. *#2263# (RF Band Selection)
15. *#9090# (Diagnostic ConfiguratioN)
16. *#7284# (USB I2C Mode Control)
17. *#4238378# (GCF Configuration)
18. *#0283# (Audio Loopback Control)
19. *#3214789650# (LBS Test Mode)
20. *#745# (RIL Dump Menu)
21. *#746# (Debug Dump Menu)
22. *#9900# (System Dump Mode)
23. *#44336# (Sofware Version Info)
24. *#7780# (Factory Reset)
25. *27673855# (Full Factory Reset)
26. *#0289# (Melody Test Mode)
27. *#2663# (TSP / TSK firmware update)
28. *#03# (NAND Flash S/N)
29. *#0589# (Light Sensor Test Mode)
30. *#0588# (Proximity Sensor TestMode)
31. *#2732832553282*# (Data Create Menu)
32. *#273283255663282*# (Data Create SD Card)
33. *#3282727336*# (Data Usage Status)
34. *#7594# (Remap Shutdown to End Call TSK)
35. *#34971539# (Camera Firmware Update)
36. *#526# (WLAN Engineering Mode)
37. *#528# (WLAN Engineering Mode)
38. *#7412365# (Camera Firmware Menu)
39. *#80# (Unknown)
40. *#07# (Test History)
41. *#3214789# (GCF Mode Status)
42. *#272886# (Auto Answer Selection)
43. *#8736364# (OTA Update Menu)
44. *#301279# (HSDPA/HSUPA Control Menu)
45. *#7353# (Quick Test Menu)
46. *27674387264636# (Sellout SMS / PCODE view)
47. *#7465625# (View Phone Lock Status)
48. *7465625638*# (Configure Network Lock MCC/MNC)
49. #7465625638*# (Insert Network Lock Keycode)
50. *7465625782*# (Configure Network Lock NSP)
51. #7465625782*# (Insert Partitial Network Lock Keycode)
52. *746562577*# (Insert Network Lock Keycode SP)
53. #746562577*# (Insert Operator Lock Keycode)
54. *746562527*# (Insert Network Lock Keycode NSP/CP)
55. #746562527*# (Insert Content Provider Keycode)
56. *#272imei#* Product code