I was looking for secret codes for a Samsung mobile and I found these codes: (Try them at your own risk!!)
#06# : Show IMEI
*#9999# : Show Software Version
*#0837# : Show Software Version (instructions)
*#0001# : Show Serial Parameters
*#9125# : Activates the smiley when charging.
*#9998228# : Battery status (capacity, voltage, temperature)
#9998246# : Program status
#9998289# : Change Alarm Buzzer Frequency
#9998324# : Debug screens
#9998364# : Watchdog
#9998377# : EEPROM Error Stack - Use side keys to select values. Cancel and ok.
#9998427# : Trace Watchdog
#9998523# : Change LCD contrast - Only with version G60RL01W
#9998544# : Jig detect
#9998636# : Memory status
#9998746# : SIM File Size
#9998778# : SIM Service Table
#9998785# : RTK (Run Time Kernel) errors - if ok then phn is reset, info is put in memory error.
#9998786# : Run, Last UP, Last DOWN
#9998837# : Software Version
#9998842# : Test Vibrator - Flash the screenligth during 10 seconds and vibration activated.
#9998862# : Vocoder Reg - Normal, Earphone or carkit can be selected
#9998872# : Diag
#9998947# : Reset On Fatal Error
#9998999# : Last/Chk
#99989266# : Yann debug screen (=Debug Screens?)
#99989999# : Software version
If the up Codes doesn’t work, you should change #9998 to #0. i.e. *#9998523# change to #0523#. An other thing that will help is to remove your SIM card. *0001s*f*t# : Changes serial parameters (s=?, f=0,1, t=0,1) (incomplete)
0002?# : unknown
0003?# : unknown
SP-unlock SGH-600 (and also SGH-2100)
27673855# : Full EEPROM Reset ( THIS CODE REMOVES SP-LOCK!! )
But also changes IMEI to 447967-89-400044-0. (Doing this is illegal)
27672878# : Custom EEEPROM Reset
#06# displays phones IMEI NO.
*#9999# SW Version.
*#8888# HW Version.
*#0842# Vibrator.
*#0289# Buzzer.
*#0228# Battery Stat.
*#0782# RTC Display (??)
*#0523# LCD Contrast.
*#0377# NVM error log (??)
*#5646# GSM Logo Set.
*#0778# Sim Serv, Table. (??)
*#0638# SIM Network ID.
*#0746# SIM info.
*#0076# Production No.
*#3323# Forced Crash (?? don’t know, but dose not sound good)
*#2576# SIM error.
*#4357# This screen ( the actural help screen)
*#9324# Netmon <> press the hung up key to exit.
*#0778# To see what your SIM suportes.
*#0746# Your sim type.
*#32439483 Digital Audio Interference off.
*#32436837# Digital Audio Interference on.
*#9998JAVA# Edit GPRS/CSD settings (S100 only).
#9998Help# Screen / List of codes.
#9998RTC# RTC Display.
#9998bat# Battery Status.
#9998buz# Turns Buzzer On.
#9998vub# Turns Vibator On.
#9998LCD# LCD Contrast.
#99989999# Sotfware Version.
#99988888# Hardware Version.
#9998377# Non Volatile Merory Error Log.
#9998NET# SIM NEtwork ID
#9998778# SIM Serv. Table.
#9998968# Remider Tune.
#9998NVM# Displays Non-Volitile Mermory Status.
#9999C# Netmon.
#99982576# Forces SIM Error.
#9998DEAD# Forces Phone Crash.
#9998533# (LED).
#999 Show date and alarm clock.
#8999638# show network information.
#99985646# change operator logoat startup.
#9998968# View melody alarm.
2767MEDIA# Resets the media on phone <>DELETES all downloaded PICS/TONES <>
2767FULL# Resets the EEPRON* <>°DANGEROUS°<>
2767CUST# Resets the sustom EEPRON.
2767JAVA# Resets JAV downloads ( dealets all downloaded midits)
2767STACKREST# RESETS STACK.
2767225RESET# ????????????* VERY Dangerous.
#0111*0000000# Removes SIM Lock.
2767688# = Unlocking code
#89998378# = All in one code
#47778665# = GPSR Tool
#89993825583# = External Display
#8999377# = Errors
#2255# = call list
#5737425# = JAVA Something chouse 2and it chrashed.
#*536961# = Java Status Code
#*536962# = Java Status Code
#*536963# = Java Status Code
#*53696# = Java Status Code
#*1200# = AFC DAC Val
#*1300# =IMEI
#*1400# = IMSl
#*2562# ?? white for 15 sec than restarts.
#*2565# Check Blocking
#*3353# check code
#*7222# = Operation Typ ( class C GSM)
#*7224# = I got ERROR !
#*7252# = Operation Typ ( Class B GPRS)
#*7271# Multi Slot ( Class 1 GPRS)
#*7271# Multi Slot ( Class 4 GPRS)
#*7337# = EEPROM Reset ( unlock and resets Wap settings)
#*2787# CRTP ON/OFF
#*3737# L1 Dbg Data
#*5133# L1 Dbg Data
#*7288# GPRS Attached
#*7287# GPRS Detached
#*7666# SrCell Data
#*7693# Sleep Act/Deact ( enable or disable the black screen after doing nothen for a while)
#*7284# Class B/C Or GPRS
#*2256# Calibration Info
#*2286# Battery Data
#*2679# Copycat Feature (Activate or deactavite)
#*3940# External loop 9600 bps
#*8462# sleeptime
#*5176# L1 Sleep
#*5187# L1C2G Trace ( activate or deactivate)
#*3877# Dump Of spy trace
#8999636# Have no clue i see 20 lines
#89998376263# HW Ver SW Ver and build date
#746565# Checks the locks
*7465625638*Code# Enables Network lock
#7465625*638*Code# Disables Network lock
#7465625*782*code# Disables Subset lock
7465625782*code# Enables subset lock
7465625746*code# Enables SIM lock
#7465625*746*code# disables SIM lock
746562528746# Auto SIM lock On
#7465625*28746# Auto SIM lock Off
(*Known Unlock CODES*)
S500/ P400/ E500/ E700/ X100/ X600/ E100/
Enter 27673855# with and accepted SIM card If this codes fails, Enter 2767688# or #*
7337#
A300/ A400 / A800
2767637#
Enter code above with an accepted SIM card.
S100 / S300 / V200 / V205 / E710 / E715 / D410 / X426/
27677822573738#
Enter code above with an accepted SIM card.
If the code above fails)
1.) Insert a SIM card which the phone dose not accept.
2.)If you see wrong Card, type #9998*3323#
3.)Press exit and select number 7. Phone will reboot.
4.) Now SIM should work.
5.) Type *0141# and then press call.
6.) Power off the phone and inser anther SIM card.
7.) If a code is requested, enter 00000000.
