#*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# AutoAnswer 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 Activa/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# FirstStartup (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/voice list/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 or Off)
Samsung Secret Codes ============================
*2767*49927# = Germany WAP Settings
*2767*44927# = UK WAP Settings
*2767*31927# = Netherlands WAP Settings
*2767*420927# = Czech WAP Settings
*2767*43927# = Austria WAP Settings
*2767*39927# = Italy WAP Settings
*2767*33927# = France WAP Settings
*2767*351927# = Portugal WAP Settings
*2767*34927# = Spain WAP Settings
*2767*46927# = Sweden WAP Settings
*2767*380927# = Ukraine WAP Settings
*2767*7927# = Russia WAP Settings
*2767*30927# = GREECE WAP Settings
*2767*73738927# = WAP Settings Reset
*2767*49667# = Germany MMS Settings
*2767*44667# = UK MMS Settings
*2767*31667# = Netherlands MMS Settings
*2767*420667# = Czech MMS Settings
*2767*43667# = Austria MMS Settings
*2767*39667# = Italy MMS Settings
*2767*33667# = France MMS Settings
*2767*351667# = Portugal MMS Settings
*2767*34667# = Spain MMS Settings
*2767*46667# = Sweden MMS Settings
*2767*380667# = Ukraine MMS Settings
*2767*7667#. = Russia MMS Settings
*2767*30667# = GREECE MMS Settings
*#7465625# = Check the phone lock status
*7465625*638*Code# = Enables Network lock
#7465625*638*Code# = Disables Network lock
*7465625*782*Code# = Enables Subset lock
#7465625*782*Code# = Disables Subset lock
*7465625*77*Code# = Enables SP lock
#7465625*77*Code# = Disables SP lock
*7465625*27*Code# = Enables CP lock
#7465625*27*Code# = Disables CP lock
*7465625*746*Code# = Enables SIM lock
#7465625*746*Code# = Disables SIM lock
*7465625*228# = Activa lock ON
#7465625*228# = Activa lock OFF
*7465625*28638# = Auto Network lock ON
#7465625*28638# = Auto Network lock OFF
*7465625*28782# = Auto subset lock ON
#7465625*28782# = Auto subset lock OFF
*7465625*2877# = Auto SP lock ON
#7465625*2877# = Auto SP lock OFF
*7465625*2827# = Auto CP lock ON
#7465625*2827# = Auto CP lock OFF
*7465625*28746# = Auto SIM lock ON
#7465625*28746# = Auto SIM lock OFF
Type *#9998*627837793# Go to the 'my parameters' and there you will find new menu where you can unlock phone.(not tested-for samsung C100)
To unlock a Samsung turn the phone off take the sim card and type the following code *#pw+15853649247w# .
Java status code: #*53696# (Samsung X600)