Software version - *#9999#
Serial number - *#0001#
Battery status - Memory capacity - *#9998*246#
Debug screen - *#9998*324# - *#8999*324#
LCD Contrast - *#9998*523#
Vibration test - *#9998*842# - *#8999*842#
Alarm beeper - Ringtone test - *#9998*289# - *#8999*289#
Software version - *#0837#
Display contrast - *#0523# - *#8999*523#
Battery info - *#0228# or *#8999*228#
Display storage capacity - *#8999*636#
Display SIM card information - *#8999*778#
Show date and alarm clock - *#8999*782#
The display during warning - *#8999*786#
Show network information - *#8999*638#
Display received channel number and received intensity - *#8999*9266#
*#1111# - S/W Version
*#1234# - Firmware Version
*#2222# - H/W Version
*#8999*8376263# - All Versions Together
*#8999*8378# - Test Menu
*#4777*8665# - GPRS Tool
*#8999*377# - Error LOG Menu
*#8999*327# - EEP Menu
*#8999*667# - Debug Mode
*#92782# - PhoneModel (Wap)
#*5737425# - JAVA Mode
*#2255# - Call List
*#232337# - Bluetooth MAC Adress
*#5282837# - Java Version
Type in *#0000# on a Samsung A300 to reset the language.
Master Reset (unlock) #*7337# (for the new Samsung E700 x600 but not E710)
Samsung E700 type *#2255# to show secret call log (not tested)
Samsung A300, A800 phone unlock enter this *2767*637#
Samsung V200, S100, S300 phone unlock - *2767*782257378#
#*4773# - Incremental Redundancy
#*7785# - Reset wakeup & RTK timer cariables / variables
#*7200# - Tone Generator Mute
#*3888# - BLUETOOTH Test mode
#*7828# - Task screen
#*#8377466# - S/W Version & H/W Version
#*2562# - Restarts Phone
#*2565# - No Blocking. ? General Defense. !
#*3353# - General Defense, Code Erased.
#*3837# - Phone Hangs on White screen.
#*3849# - Restarts Phone
#*7337# - Restarts Phone (Resets Wap Settings)
#*2886# - Auto Answer ON/OFF
#*7288# - GPRS Detached / Attached
#*7287# - GPRS Attached
#*7666# - White Screen
#*7693# - Sleep Deactivate / Activate
#*2286# - Databattery
#*2527# - GPRS switching set to (Class 4, 8, 9, 10)
#*2679# - Copycat feature Activate / Deactivate
#*3940# - External looptest 9600 bps
#*4263# - Handsfree mode Activate / Deactivate
#*2558# - Time ON
#*3941# - External looptest 115200 bps
#*5176# - L1 Sleep
#*7462# - SIM Phase
#*7983# - Voltage / Freq
#*7986# - Voltage
#*8466# - Old Time
#*2255# - Call Failed
#*5376# - Delete all SMS. . !
#*6837# - Official Software Version - (0003000016000702)
#*2337# - Permanent Registration Beep
#*2474# - Charging Duration
#*2834# - Audio Path (Handsfree)
#*3270# - DCS Support Activate / Deactivate
#*3282# - Data Activate / Deactivate
#*3476# - EGSM Activate / Deactivate
#*3676# - Format Flash Volume. . !
#*4760# - GSM Activate / Deactivate
#*4864# - White Screen
#*7326# - Accessory
#*7683# - Sleep variable
#*3797# - Blinks 3D030300 in RED
#*7372# - Resetting the time to DPB variables
#*3273# - EGPRS multislot (Class 4, 8, 9, 10)
#*7722# - RLC bitmap compression Activate / Deactivate
#*2351# - Blinks 1347E201 in RED
#*2775# Switch to 2 inner speaker
#*7878# - First Startup (0=NO, 1=YES)
#*3838# - Blinks 3D030300 in RED
#*2077# - GPRS Switch
#*2027# - GPRS Switch
#*0227# - GPRS Switch
#*0277# - GPRS Switch
#*22671# - AMR Rec Start
#*22672# - Stop Amr Rec (File name: /a/multimedia/sounds/voicelist/ENGMODE.amr)
#*22673# - Pause REC
#*22674# - Resume REC
#*22675# - AMR Playback
#*22676# - AMR Stop Play
#*22677# - Pause Play
#*22678# - Resume Play
#*77261# - PCM Rec Req
#*77262# - Stop PCM Rec
#*77263# - PCM Playback
#*77264# - PCM Stop Play
#*22679# - AMR Get Time
*#8999*364# - Watchdog ON/OFF
*#8999*427# - WATCHDOG signal route setup
*2767*3855# - Full Reset (Caution: every stored data will be deleted.)
*2767*2878# - Custom Reset
*2767*927# - Wap Reset
*2767*226372# - Camera Reset (deletes photos)
*2767*688# - Reset Mobile TV
#7263867# - RAM Dump (On/Off)