Samsung i300

1. Tap on the Phone Icon with stylus 
2. Press #907*9#0 ENTER LOCK should appear on screen 
3. ENTER OTKSL 
4. SVC MENU will appear press 1 
5. Enter 10 digit MIN and then press SAVE 
6. Press SAVE again 
7. Press 3 and then press SAVE 6 times 
8. Enter the HOME SID and press SAVE once 
9. Press END key twice

Universal Samsung Secret Codes

*#06# 
Show IMEI 

*#9999# 
Show Software Version

*#0837# 
Show Software Version (instructions) 

*#0001# 
Show Serial Parameters 

*#9125# 
Activates the smiley when charging. 

*#9998*228# 
Battery status (capacity, voltage, temperature) 

*#9998*246# 
Program status 

*#9998*289# 
Change Alarm Buzzer Frequency 

*#9998*324# 
Debug screens 

*#9998*364# 
Watchdog 

*#9998*377# 
EEPROM Error Stack - Use side keys to select values. Cancel and ok. 

*#9998*427# 
Trace Watchdog 

*#9998*523#
Change LCD contrast - Only with version G60RL01W 

*#9998*544# 
Jig detect

*#9998*636# 
Memory status

*#9998*746# 
SIM File Size

*#9998*778#
SIM Service Table

*#9998*785# 
RTK (Run Time Kernel) errors - if ok then phn is reset, info is put in memory error.

*#9998*786#
Run, Last UP, Last DOWN

*#9998*837#
Software Version

*#9998*842# 
Test Vibrator - Flash the screenligth during 10 seconds and vibration activated.

*#9998*862# 
Vocoder Reg - Normal, Earphone or carkit can be selected

*#9998*872# 
Diag

*#9998*947# 
Reset On Fatal Error

*#9998*999#
Last/Chk

*#9998*9266# 
Yann debug screen (=Debug Screens?)

*#9998*9999# 
Software version

*0001*s*f*t# 
Changes serial parameters (s=?, f=0,1, t=0,1) (incomplete)

source : samsung-secret-codes.blogspot.com

Samsung T100 Secret Codes

*#06#
Show IMEI

*#9999#
Show Software Version

*#0001#
Show Serial Parameters
*2767*3855#
Full EEPROM Reset ( THIS CODE REMOVES SP-LOCK!!!! but also change IMEI to 447967-89-400044-0, you must use CHGIMEI to restore it)

*2767*2878#
Custom EEEPROM Reset

*#8999*228#
Battery status (capacity, voltage, temperature)

*#8999*246#
Program status

*#8999*289#
Change Alarm Buzzer Frequency

*#8999*324#
Debug screens

*#8999*364#
Watchdog

*#8999*377#
EEPROM Error Stack

*#8999*427#
Trace Watchdog

*#8999*523#
Change LCD contrast

*#8999*544#
Jig detect

*#8999*636#
Memory status

*#8999*746#
SIM File Size

*#8999*778#
SIM Service Table

*#8999*785#
RTK (Run Time Kernel) errors

*#8999*786#
Run, Last UP, Last DOWN

*#8999*837#
Software Version

*#8999*842#
Test Vibrator

*#8999*862#
Vocoder Reg

*#8999*872#
Diag

*#8999*947#
Reset On Fatal Error

*#8999*999#
Last/Chk

*#8999*9266#
Yann debug screen (=Debug Screens?)

*#8999*9999#
Software version

source : samsung-secret-codes.blogspot.com

Samsung E720, E730, D500 Secret Codes

*#1111#
S/W Version

*#1234#
Firmware Version

*#2222#
H/W Version

*#8999*8376263#
All Versions Together

*#8999*8378#
Test Menu

*#4777*8665#
GPSR Tool

*#8999*523#
LCD Brightness

*#8999*377#
Error 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

#*4773#
Incremental Redundancy

#*7752#
8 PSK uplink capability bit

#*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

#*3851#
Restarts Phone

#*3876#
Restarts Phone

#*7222#
Operation Typ: (Class C GSM)

#*7252#
Operation Typ: (Class B GPRS)

#*7271#
CMD: (Not Available)

#*7274# CMD: (Not Available)

#*7337#
Restarts Phone (Resets Wap Settings)

#*2787#
CRTP ON/OFF

#*2886#
AutoAnswer ON/OFF

#*3737#
L1 AFC

#*5133#
L1 HO Data

#*7288#
GPRS Detached/Attached

#*7287#
GPRS Attached

#*7666#
White Screen

#*7693#
Sleep Deactivate/Activate

#*7284#
L1 HO Data

#*2256#
Calibration info? (For CMD set DEBUGAUTONOMY in cihard.opt)

#*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

#*4700#
Please use function 2637

#*7352#
BVMC Reg value (LOW_SWTOFF, NOMINAL_SWTOFF)

#*2558#
Time ON

#*3370#
Same as 4700

#*3941#
External looptest 115200 bps

#*5176#
L1 Sleep

#*7462#
SIM Phase

#*7983#
Voltage/Freq

#*7986#
Voltage

#*8466#
Old Time

#*2255#
Call Failed

#*5187#
L1C2G trace Activate/Deactivate

#*5376#
DELETE ALL SMS

#*6837#
Official Software Version: (0003000016000702)

#*7524#
KCGPRS: (FF FF FF FF FF FF FF FF 07)

#*7562#
LOCI GPRS: (FF FF FF FF FF FF FF FF FF FF FF FE FF 01)

#*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

#*5171#
L1P1

#*5172#
L1P2

#*5173#
L1P3

#*7326#
Accessory

#*7683#
Sleep variable

#*8465#
Time in L1

#*2252#
Current CAL

#*2836#
AVDDSS Management Activate/Deactivate

#*3877#
Dump of SPY trace

#*7728#
RSAV

#*2677#
Same as 4700

#*3797#
Blinks 3D030300 in RED

#*3728#
Time 2 Decod

#*3725#
B4 last off

#*7372#
Resetting the time to DPB variables

#*7732#
Packet flow context bit Activate/Deactivate

#*6833#
New uplink establishment Activate/Deactivate

#*3273#
EGPRS multislot (Class 4, 8, 9, 10)

#*7722#
RLC bitmap compression Activate/Deactivate

#*2351#
Blinks 1347E201 in RED

#*4472#
Hysteresis of serving cell: 3 dB

#*2775#
Switch to 2 inner speaker

#*9270#
Force WBS

#*7878#
FirstStartup (0=NO, 1=YES)

#*3757#
DSL UART speed set to (LOW, HIGH)

#*8726#
Switches USBACM to Normal

#*8724#
Switches USBACM to Generator mode

#*8727#
Switches USBACM to Slink mode

#*8725#
Switches USBACM to Loop-back mode

#*3838#
Blinks 3D030300 in RED

#*2077#
GPRS Switch

#*22671#
AMR REC START

#*22672#
top 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

#*2872# CNT

*#8999*283# ???

#*22679#
AMR Get Time

*#8999*364#
Watchdog ON/OFF

*2767*3855#
E2P Full Reset

*2767*2878#
E2P Custom Reset

*2767*927#
E2P Wap Reset

*2767*226372#
E2P Camera Reset

*2767*688#
Reset Mobile TV

#7263867#
RAM Dump (On or Off)

*#7465625#
Check the locks

*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

#8999*228# or *#9998*228#
will show you how much charge the battery has in %. It even
gives the temperature.

source : samsung-secret-codes.blogspot.com

Samsung 3500 8500 6100 N200 Secret Codes

1. Press MENU 
2. Press 6 0 (3500) 8 2 0 (8500/6100/N200) 
3. Enter OTKSL 
4. Press 1 at SVC MENU Screen 
5. Enter MIN and press OK 
6. Press OK 4 times 
7. Enter SID (4654) and press OK 
8. Press END key 
9. Programming is complete

source : samsung-secret-codes.blogspot.com

Samsung V200 Secret Codes

Unlock Code
-> *2767*7822573738#

*#9324#
Netmon (press the hangup key to exit) 

*#9998*JAVA#
Edit GPRS/ CSD settings (S100 Only)
 
*#9998*Help#
Help screen/ List of codes
 
*#9998*LOGO#
Change operator Logo 

*#9998*RTC#
RTC Display 

*#9998*Bat#
Battery Status Samsung phone

*#9998*Buz#
Turns Buzzer ON 

*#9998*Vib#
Turns Vibrator ON 

*#9998*LCD#
LCD Contrast 

*#9998*9999#
Softwre Version 

*#9998*8888#
Hardware Version 

*#9998*377#
NVM Error Log (?????) 

*#9998*NET#
SIM Network ID 

*#9998*778#
SIM Serv. Table 

*#9998*SIM#
SIM Info 

*#9998*PN#
Production No. 

*#9998*968#
Reminder Tune 

*#9998*NVM#
Displays Non-Volitile Memory Status 

*#06#
Displays phones I**I No. 
***/// ***/// NOTE /// *** RED COLOR , they appear serious !!! Use at 
own risk !!!

*#9998*2576#
Forces SIM Error 

*#9998*DEAD#
Forces Phone Crash 

*2767*MEDIA#
Resets the medis on the phone (deletes all downloaded pics/tones) 

*2767*FULL#
Resets the EEPRON *DANGEROUS* 

*2767*CUST#
Resets the Custom EEPRON 

*2767*JAVA#
Resets JAV downloads (deletes all downloaded midlits) 

*2767*STACKRESET#
Resets Stack 

*2767*WAP#
Resets WAP Setting & Deletes Favorites

source : samsung-secret-codes.blogspot.com

Samsung SGH-600 Secrets Codes

Show IMEI
*#06#

Show Software Version
*#9999#

Show Software Version (instructions)
*#0837#

Show Serial Parameters
*#0001#

Activates the smiley when charging
*#9125#

Battery status (capacity, voltage, temperature)
*#9998*228#

Program status
*#9998*246#

Change Alarm Buzzer Frequency
*#9998*289#

Debug screens
*#9998*324#

Watchdog
*#9998*364#

EEPROM Error Stack - Use side keys to select values. Cancel and ok.
*#9998*377#

Trace Watchdog
*#9998*427#

Change LCD contrast
*#9998*523#

Jig detect
*#9998*544#

Memory status
*#9998*636#

SIM File Size
*#9998*746#

SIM Service Table
*#9998*778#

RTK (Run Time Kernel) errors
*#9998*785#

Run, Last UP, Last DOWN
*#9998*786#

Software Version
*#9998*837#

Test Vibrator - Flash the screenligth during 10 seconds and vibration activated
*#9998*842#

Vocoder Reg - Normal, Earphone or car kit can be selected
*#9998*862#

Diag
*#9998*872#

Reset On Fatal Error
*#9998*947#

Last/Chk
*#9998*999#

Yann debug screen
*#9998*9266#

Software version
*#9998*9999#

Changes serial parameters (s=?, f=0,1, t=0,1)
*0001*s*f*t#

source : samsung-secret-codes.blogspot.com

Samsung Secret Codes

IMEI number:
*#06#
Code to lock keys. Press together *7
Note: [] (pause) means the * key held in until box appears.
Select phone line - (use this to write things below the provider name):
[] [] [] 0 0 8 [] 1 []
Add phonebook to main menu:
[] [] [] 1 0 5 [] 1 []
Add messages to main menu:
[] [] [] 1 0 7 [] 1 []
Copy SIM memory (phonebook menu):
[] [] [] 1 0 8 [] 1 []
Eng Field options (main menu):
[] [] [] 1 1 3 [] 1 []
Slow (Frequency of search menu):
[] [] [] 1 0 1 [] 1 []
Medium (Frequency of search menu):
[] [] [] 1 0 2 [] 1 []
Fast (Frequency of search menu):
[] [] [] 1 0 3 [] 1 []
Enable EFR:
[] [] [] 1 1 9 [] 1 []
Function :
[] [] [] # # # [] 1 []
Change pin:
[] [] [] 0 0 4 [] 1 []
Unblocking using the “puk” number:
[] [] [] 0 0 5 [] 1 []
There are lots of similar codes exist. If you change the last number to 0 you can deactive that code. The 3 digit number at the middle are from 0 to 999. I put the most interesting codes. (EFR):Enhanced Full Rate Codec.
You can change GSM frequencies to 900/1800 by entering the enginnering model. Following the below steps:
enter menu and press 048263* quickly, then you will enter the secret engineering menu
under “Opcode”
input 10*0*3 for GSM 900
10*0*4 for GSM 1800
10*0*5 for GSM 1900
10*0*6 for dual band GSM 900/1800
10*0*7 for dual band GSM 850/1900
To add extra message space 4 your Motorola C350 C450 C550 or C650, press menu button, press 048263* quickly, then on the popup menu enter 47 press ok.press 50 and ok.press 1 ok.press 64 ok.press 1 ok.press 186 and ok.You will receive an extra 50 msgs memory space.Switch phone off and back on.(not tested)

source : www.snurfsphone.com/samsung-mobile-phone-secrets.html

Spesification Samsung SGH X820

General 2G Network GSM 900 / 1800 / 1900
Announced 2006, May
Status Available
Size Dimensions 113 x 50 x 6.9 mm
Weight 66 g
Display Type TFT, 256K colors
Size 220 x 176 pixels, 1.8 inches, 35 x 28 mm
Ringtones Type Polyphonic (64 channels), MP3
Amount 30 preset
Customization Download, order now
Vibration Yes
Memory Phonebook 1000 entries, Photocall
Call records 30 dialed, 30 received, 30 missed calls
Card slot No
- 80 MB shared memory
- 3.7 MB for messages
Data GPRS Class 10 (4+1/3+2 slots), 32 - 48 kbps
HSCSD No
EDGE Class 10, 236.8 kbps
3G No
WLAN No
Bluetooth Yes, v1.2 with A2DP
Infrared port No
USB Yes
Features Messaging SMS, EMS, MMS, Email
Browser WAP 2.0/xHTML
Games Yes + downloadable, order now
Colors Black/Blue, Silver, Pink
Camera 2 MP, 1600x1200 pixels, video(CIF)
- Java MIDP 2.0
- MP3/AAC/AAC+ player
- T9
- Organiser
- Document viewer
- TV-output
- Built-in handsfree
- Voice memo
Battery Standard battery, Li-Po 630 mAh
Stand-by Up to 210 h
Talk time Up to 2 h 30 min

Secret Code for Samsung X820

*#06# -> Displays imei
*2767*5282# -> Java Reset and (Deletes all Java Midlets)
*2767*63342# -> Reset Media (Deletes All Sounds and Pics)
*2767*927# -> Wap Reset
*#9998*4357# -> Help Menu
*#9998*5282# -> Java menu (GRPS/CSD settings for JAVA server)
*#9999#0# -> Monitor Mode
*#9999# or *#9998*9999# -> Software Version
*#8888# or *#9998*8888# -> Hardware Version
*#9998*746# or *#9998*0746# or *#0746# -> Sim Infos
*#9998*523# or *#9998*0523# or *#0523# -> Display Contrast
*#9998*842# or *#9998*0842# or *#0842# -> Vibration On (until you push OK)
*#9998*289# or *#9998*0289# or *#0289# -> Buzzer On (until you push OK)
*#9998*288# or *#9998*0288# or *#0288# -> Battery & Field Infos
*#9998*377# or *#9998*0377# Error log
*#9998*778# or *#9998*0778# or *#0778# -> Sim Service table
*#9998*782# -> show date and alarm clock
*#8999*638# -> show network information
*#9998*5646# -> change operator logo at startup
*#9998*76# -> production number
*#9998*968# -> view melody for alarm
*#9998*585# -> Non-Volatile Memory (NVM)
*#3243948# -> Digital Audio Interference Off
*#32436837# -> Digital Audio Interference
*#9999# -> Show Software Version
*#0837# -> Show Software Version (instructions)
*#0001# -> Show Serial Parameters
*#9125# -> Activates the smiley when charging.
*#9998*228# -> Battery status (capacity, voltage, temperature)
*#9998*246# -> Program status
*#9998*324# -> Debug screens
*#9998*364# -> Watchdog
*#9998*427# -> Trace Watchdog
*#9998*544# -> Jig detect
*#9998*636# -> Memory status
*#9998*785# -> RTK (Run Time Kernel) errors *#9998*786# -> Run, Last UP, Last DOWN
*#9998*837# -> Software Version
*#9998*862# -> Vocoder Reg - Normal, Earphone or carkit can be selected
*#9998*872# -> Diag
*#9998*947# -> Reset On Fatal Error
*#9998*999# -> Last/Chk
*#9998*9266# -> Yann debug screen (=Debug Screens?)
*#9998*9999# -> Software version
*2767*2878# -> Custom EEEPROM Reset
*2767*3855# -> Full EEPROM Reset
This code will remove sp lock in some models
But also changes IMEI to 447967-89-400044-0,
____________________________________________
Samsung s300 unlock code
enter these 5 codes without sim card in phone!
your phone should then be unlocked

1. *2767*63342#
2. *2767*3855#
3. *2767*2878#
4. *2767*927#
5. *2767*7822573738
____________________________________________
Samsung v200 unlock codes

Enter these codes into phone without sim in phone
This will not work on some new versions

1. *2767*63342# then press green button
2. *2767*3855# then press green button
3. *2767*2878# then press green button
4. *2767*927# then press green button
5. *2767*7822573738# then press green button FPRIVATE "TYPE=PICT;ALT=Report

instal games in samsung X820 by pc

1. Enter the code *#9998*52824678255# in your samsung X820, after activated now you are ready to install your new java games. Each time you turn off your phone you need to re-enter the code.
2. Some games may be not work on your phone.
3. Important your java games must be the *.jar file. Only some compatible java games can install.
4. Convert your java games before with jad maker to produce the *.jad file.
5. Send the *.jar and *.jad file for the game to your phone in "other files", whether via bluetooth or usb cable. Then you can also send them to your friends phones and exchange games.
6. The files will most likely go to your other files folder. Open the *.jad and it will install the game for you then ask if you would like to play it.