Secret Codes of Samsung include the android secret code of Samsung. You have to click on copy button, code automatically copied and paste it on dialer by long press.
Some code of them may not work on specific devices, but you can still try them because their manufacturer does not allow them. You can copy and share it with your friends.
Secret Codes of Samsung include:
Sims unlock guide
Usage statistics Check Update
Reset Device guide if you forgot password
Unlock the device if your forgot password
Recover Forgotten pattern
GPS test mode
Touch Test Network
Firmware version information
Factory tests, PDA
Display the IMEI number
Test Device is original or copy
Check battery timing
Test Photograph RGB and much more.
Warning: After execute these hash code, your device might be affected. So keep backup your important data before execute hash code.
Note: This is not official Application of Samsung.