The Samsung Secret Codes like is one of the longest you will come across and it lets you control nearly every feature of the phone by using the codes to access hidden menu functions and options as well as some standard functions which may be hidden deep in the menu trees. As always the standard *#06# will display the IMEI number.
The following codes work on all current Samsung phones;
| Code | Function |
| *#9999# | Displays the Software Version, some units use *#1111# |
| *#0001# | Displays the Device Serial Number |
| *#1234# | Displays the Firmware Version |
| *#2222# | Displays the Hardware Version |
| *#9998*246# | Displays the Battery Status and Memory Capacity |
| *#9998*324# | Open the Debug Screen, some units use *#8999*324# |
| *#9998*523# | Adjust the LCD Contrast |
| *#8999*523# | Adjust the LCD Brightness |
| *#8999*842# | Vibration Test |
| *#9998*289# | Alarm Test |
| *#8999*289# | Ringtone Test |
| *#9125# | Displays a Smiley |
| *#0228# | Battery Information |
| *#8999*636# | Displays the Storage capacity |
| *#8999*778# | Sim card information display |
| *#8999*782# | Date and Alarm Display |
| *#8999*638# | Displays the Network Information |
| *#8999*9266# | Shows the current channel and strength |
| *#8999*8378# | Access the test menu |
| *#4777*8665# | GPRS Menu Tool |
| *#8999*377# | Opens the error log |
| *#8999*327# | EEP Menu |
| *#92782# | WAP Phone Model |
| *#232337# | Bluetooth MAC Address |
| #*5737425# | Java Mode |
| *#5282837# | Java Version |
Short codes, these codes change settings. Using them will activate or deactivate the functions specified.
| Code | Function |
| #*4773# | Incremental Redundancy |
| #*7785# | Resets the Wake-up variables |
| #*7200# | Mute the tone generator |
| #*3888# | Bluetooth test menu |
| #*2077# | GPRS Toggle |
| #*2027# | GPRS Toggle |
| #*0227# | GPRS Toggle |
| #*0277# | GPRS Toggle |
| #7263867# | RAM Dump |
| *2767*688# | Resets Mobile TV |
| *2767*226372# | Deletes all photos and resets the Camera |
| *2767*927# | WAP Reset |
| #*2562# | Reboots the device |
| #*3849# | Reboots the device |
| #*7337# | Reboots the device and resets WAP settings |
| #*7288# | Attach/Detach GPRS |
| #*7287# | Attach/Detach GPRS |
| #*2886# | Activate or Deactivate the Auto answer |
| #*2527# | Change the GPRS Class |
| *#8999*364# | Enable/Disable Watchdog |
| *#8999*427# | Configure the Watchdog Route |
| *2767*3855# | Hard Reset, deletes everything including storage cards |
| *2767*2878# | Customized Hard Reset |
| #*3273# | Change the EDGE Class |
| #*4263# | Activates or Deactivates the Handsfree |
| #*3941# | 115200 bps loop test |
| #*5176# | L1 Sleep |
| #*7462# | Sim Phase |
| #*7983# | Voltage and Frequency Display |
| #*5376# | Deletes all SMSs |
| #*3270# | Toggle DCS Support |
| #*3476# | Activate/Deactivate EGSM |
| #*3282# | Activate/Deactivate Data |
| #*4760# | Activate/Deactivate GSM |
| #*3676# | Formats the Flash Drive |
| #*7722# | Activate/Deactivate RLC bitmap compression |
| #*2351# | Blinks 1347E201 in RED |
| #*7878# | FirstStartup (0=NO, 1=YES |
| #*3838# | Blinks 3D030300 in RED |
The following codes relate the SIM locked Samsung phones and can be used to unlock a Samsung phone in some instances. There are two options to unlock a Samsung phone, the traditional *#pw+15853649247w# or you can access the parameter menu via *#9998*627837793#
| Code | Function |
| *#7465625# | Display the Phone Lock Status |
| *7465625*638*Code# | Enable the Network Lock |
| #7465625*638*Code# | Disable the Network Lock |
| *7465625*782*Code# | Enable the Subset Lock |
| #7465625*782*Code# | Disable the Subset Lock |
| *7465625*228# | Enable Activa Lock |
| #7465625*228# | Disable Activa Lock |
| *7465625*77*Code# | Enable the Service Provider Lock |
| #7465625*77*Code# | Disable the Server Provider Lock |
| *7465625*746*Code# | Enables the Sim Lock |
| #7465625*746*Code# | Disables the Sim Lock |
| *7465625*27*Code# | Enables the CP Lock |
| #7465625*27*Code# | Disables the CP Lock |
| *7465625*28638# | Enable the Automatic Network Lock |
| #7465625*28638# | Disable the Automatic Network Lock |
| *7465625*28782# | Enable the Automatic Subset Lock |
| #7465625*28782# | Disable the Automatic Subset Lock |
| *7465625*2877# | Enable the Automatic Service Provider Lock |
| #7465625*2877# | Disable the Automatic Service Provider Lock |
| *7465625*2827# | Enable the Automatic CP Lock |
| #7465625*2827# | Disable the Automatic CP Lock |
| *7465625*28746# | Enable the Automatic SIM Lock |
| #7465625*28746# | Disable the Automatic SIM Lock |
Unlocking the phone for use with a SIM card from another phone company can be done by entering *#9998*3323# which will reset the phone, you exit and push 7 which completes the reset, you can then put your new SIM card in the phone, when prompted about the SIM lock simply enter 00000000 and then *0141# which will unlock the phone for you. Alternatively you can try *#2767*2878# without a SIM card which is known to work on some models.
As always if you have any other Samsung Secret Codes please send them to me so that I can add them to the above list.