The HEPEK

*#06# - IMEI number The International Mobile station Equipment Identity number (IMEI) is a number used to identify a device that uses terrestrial cellular networks. Since the IMEI standard is used for any terrestrial cellular network device, this means that 3G/4G tablets, laptops with PCMCIA wireless internet cards, and other mobile equipment are also tagged with these numbers. Display IMEI.IMEI (International Mobile Equipment Identity) is a unique 15-digit number assigned to all cellular devices. We can use this number to block a mobile phone from being used by another person or phone company if it has been lost or stolen.
Use this to displays your Samsung handset's IMEI NumberIMEI (International Mobile Equipment Identity) is a unique 15-digit number assigned to all cellular devices. We can use this number to block a mobile phone from being used by another person or phone company if it has been lost or stolen.. The same code works from all other GSM handsets.
Type *#06#

Enter the service menu on newer phones like Galaxy S III
Type *#0*#

Show Software Version.
Use this to Show Software Version of your handset.
Type *#9999#

Show Software Version (instructions).
Use this to Show Software Version (instructions) of your handset.
Type *#0837#

Show Serial Parameters.
Use this to the Show Serial Parameters of your handset.
Type *#0001#

Activates the smiley when charging.
Use this to Activate the smiley when charging on your handset.
Type *#9125#

LCD Contrast.
Type *#0523#

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

Program status.
Type *#9998*246#

Change Alarm Buzzer Frequency.
Type *#9998*289#

Debug Screens.
Type *#9998*324#

Watchdog.
Type *#9998*364#

EEPROM Error StackEEPROM (electrically erasable programmable read-only memory) is user-modifiable read-only memory (ROM) that can be erased and reprogrammed (written to) repeatedly through the application of higher than normal electrical voltage. - Use side keys to select values.
Type *#9998*377#

Trace Watchdog.
Type *#9998*427#

Change LCD contrast.
Type *#9998*523#

Jig detect.
Type *#9998*544#

Memory status.
Type *#9998*636#

SIM File Size.
Type *#9998*746#

SIM Service Table.
Type *#9998*778#

RTK (Run Time Kernel)The kernel is the central module of an operating system (OS). It is the part of the operating system that loads first, and it remains in main memory. Because it stays in memory, it is important for the kernel to be as small as possible while still providing all the essential services required by other parts of the operating system and applications. The the kernel code is usually loaded into a protected area of memory to prevent it from being overwritten by programs or other parts of the operating system. errors - if ok then phone is reset.
Type *#9998*785#

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

Software Version.
Type *#9998*837#

Test Vibrator - Flash the screen light during 10 sec and vibration activated.
Type *#9998*842#

Vocoder Reg - Normal, Earphone or Carkit.
Type *#9998*862#

Diag.
Type *#9998*872#

Reset On Fatal Error.
Type *#9998*947#

Last/Chk.
Type *#9998*999#

Yann debug screen (Debug Screens).
Type *#9998*9266#

Software version.
Type *#9998*9999#

Changes serial parameters (s=?, f=0.1, t=0.1).
Type *0001*s*f*t#

*#9125# : Smiley
*#0228# or *#8999*228# : Battery Info
*#8999*636# : Display Storage Capacity
*#8999*778# : Display SIM Card Information
*#8999*782# : Show Date And Alarm Clock
*#8999*786# : The Display During Warning
*#8999*837# : Samsung Hardware Version
*#0523# - *#8999*523# : Display Contrast
*#8999*638# : Show Network Information
*#8999*9266# : Display Received Channel Number And Received Intensity
*#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

On this page you will find the secret codes for Samsung Galaxy S2 (GT-I9100). With their help, you can access advanced settings, use the hidden features of your phone, access the engineering menu, get information about the status of your phone's battery and customize your phone to suit your requirements.

ANDROID Samsung secret codes for Samsung Galaxy S2 (GT-I9100)
*#06# - IMEI number The International Mobile station Equipment Identity number (IMEI) is a number used to identify a device that uses terrestrial cellular networks. Since the IMEI standard is used for any terrestrial cellular network device, this means that 3G/4G tablets, laptops with PCMCIA wireless internet cards, and other mobile equipment are also tagged with these numbers.

*#*#64663#*#* - Hardware Test

*#*#273282*255*663282*#*#* - Immediate backup of all media files

*#*#4636#*#* - This code can be used to get some interesting information about Samsung Galaxy S2 (GT-I9100) and battery. It shows following 4 menus on screen:
* Phone information
* Battery information
* Battery history
* Usage statistics

*#*#7780#*#* - This code can be used for a factory data reset. It'll remove following things:
* Google account settings stored in your phone
* System and application data and settings
* Downloaded applications

It'll NOT remove:
* Current system software and bundled applications
* SD card files e.g. photos, music files, etc.
PS: Once you give this code, you get a prompt screen asking you to click on "Reset phone" button. So you get a chance to cancel your operation.

*2767*3855# - Think before you give this code. This code is used for factory format. It'll remove all files and settings including the internal memory storage. It'll also reinstall the phone firmware.

PS: Once you give this code, there is no way to cancel the operation unless you remove the battery from the phone. So think twice before giving this code.

*#*#34971539#*#* - This code is used to get information about phone camera. It shows following 4 menus:
* Update camera firmware in image (Don't try this option)
* Update camera firmware in SD card
* Get camera firmware version in Samsung Galaxy S2 (GT-I9100)
* Get firmware update count

WARNING: Never use the first option otherwise your phone camera will stop working and you'll need to take Samsung Galaxy S2 (GT-I9100) to service center to reinstall camera firmware.

*#*#7594#*#* - This one is favorite one. This code can be used to change the "End Call / Power" button action in your phone. Be default, if you long press the button, it shows a screen asking you to select any option from Silent mode, Airplane mode and Power off.

You can change this action using this code. You can enable direct power off on this button so you don't need to waste your time in selecting the option.

*#*#225#*#* - Events calendar.

*#*#426#*#* - Debug information for Google Play service.Google Play services is used to update Google apps and apps from Google Play. This component provides core functionality like authentication to your Google services, synchronized contacts, access to all the latest user privacy settings, and higher quality, lower-powered location based services.

*#*#759#*#* - Access Google Partner setup (Rlz debug interface).

*#872564# - USB logging control

*#9900# - System dump mode Samsung Galaxy S2 (GT-I9100)

*#*#97#*#* - Language and Keyboard settings in Samsung Galaxy S2 (GT-I9100)

*#*#46*#*# - Reset Sim in Samsung Galaxy S2 (GT-I9100)

*#301279# - HSDPAHSDPA means “High Speed Downlink Packet Access” and is a technique used in the UMTS mobile communication system, the download speeds of currently 3.6 Mbit/s to 7.2 Mbit/s. HSUPA is developed commercially since 2007 in Germany. High Speed Downlink Packet Access (HSDPA, 3.5G, 3G + or UMTS broadband) is a data transmission method of the cellular standards UMTS, which was defined by the 3rd Generation Partnership Project. The method enables DSL-like data rates in mobile networks. HSDPA is available in Germany, among others by the network operators Vodafone, E-Plus, O2, and telecom and in Switzerland by Swisscom, Sunrise and Orange. In Austria operate the A1, T-Mobile, Orange and Three HSDPA networks./HSUPAHSUPA means “High Speed Uplink Packet Access” and is a technique used in the UMTS mobile communication system, the upload speeds up to 5.8 Mbit/s. High Speed Uplink Packet Access (HSUPA) is a transmission method of the UMTS mobile radio standard that allows higher data rates in the uplink and reduces the round trip time (often referred to as ping). HSUPA Category 6 were up to 5.76 Mbit / s and category 9 (Release 9) up to 23 Mbit / s can be achieved. HSUPA is part of Release 9 of UMTS. Control Menu

*#7465625# - View 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

*#*#273283*255*663282*#*#* - This code opens a File copy screen where you can backup your media files e.g. Images, Sound, Video and Voice memo.

*#*#197328640#*#* - This code can be used to enter into Service mode. You can run various tests and change settings in the service mode.

WLAN, GPS and Bluetooth Test Codes:

*#*#232339#*#* OR *#*#526#*#* OR *#*#528#*#* - WLAN test (Use "Menu" button to start various tests)

*#*#232338#*#* - Shows WiFi MAC address MAC (Media Access Control), address is a globally unique identifier assigned to network devices, and therefore it is often referred to as hardware or physical address. MAC addresses are 6-byte (48-bits) in length, and are written in MM:MM:MM:SS:SS:SS format. The first 3-bytes are ID number of the manufacturer, which is assigned by an Internet standards body. The second 3-bytes are serial number assigned by the manufacturer.

*#*#1472365#*#* - GPSThe Global Positioning System (GPS) is a satellite-based locating and navigating utility that determines a user's precise latitude, longitude and altitude by tracking signals from satellites. test

*#*#1575#*#* - For a more advanced GPS test

*#*#232331#*#* - Bluetooth test Bluetooth is a wireless technology standard for exchanging data over short distances (using short-wavelength UHF radio waves in the ISM band from 2.4 to 2.485 GHz) from fixed and mobile devices, and building personal area networks (PANs). Invented by telecom vendor Ericsson in 1994, it was originally conceived as a wireless alternative to RS-232 data cables. It can connect several devices, overcoming problems of synchronization.

*#*#232337#*# - Shows Bluetooth device address in Samsung Galaxy S2 (GT-I9100)

*#*#8255#*#* - This code can be used to launch GTalk Service Monitor. Gtalk Service Monitor and play services monitor are developer options to let you examine and debug the push connections to google talk and google play services. Below these, the "restore default heartbeats" button lets you bring back the original heartbeat exchange settings if you have to. The final button is about making a donation to the developer of this convenient app. and that is it! now, you are left to experiment with the data and wi-fi settings until you land the most comfortable intervals for you.

*#*#36245#*#* - Access email debug information.

Codes to get Firmware version information:

*#*#4986*2650468#*#* - PDA, Phone, H/W, RFCallDate

*#*#1234#*#* OR *#1234# - PDA and Phone firmware information

*#*#1111#*#* - FTA SW Version (1234 in the same code will give PDA and firmware version)

*#12580*369# - Software and hardware info

*#9090# - Diagnostic configuration in Samsung Galaxy S2 (GT-I9100)

*#*#2222#*#* - FTA HW Version

*#*#44336#*#* - PDA, Phone, CSCThe Customer Service Code (CSC) plays an important role in the operation of your mobile device. Different countries have different standards for both voice and data communications to a cell phone tower. Although most countries follow the international standard for WiFi connects, there are variations from the standard. The CSC code ensures that your mobile device complies with the standards for your country, and your cell phone operator. The CSC code also determines the source for firmware updates via FOTA or Samsung Kies. , Build Time, Changelist number

Codes to launch various Factory Tests:

*#*#0283#*#* - Packet Loopback

*#*#0*#*#* - LCD display test

*#*#0673#*#* OR *#*#0289#*#* - Melody test

*#*#0842#*#* - Device test (Vibration test and BackLight test)

*#*#2663#*#* - Touch screen version Samsung Galaxy S2 (GT-I9100)

*#*#2664#*#* - Touch screen test

*#*#0588#*#* - Proximity sensor test

*#*#3264#*#* - RAM version Samsung Galaxy S2 (GT-I9100)



GSM codes for Samsung Galaxy S2 (GT-I9100)

Change PIN Setting up a Personal Identification Number (PIN) on your SIM stops others from using it when it's switched off or been taken out of your device. The acronym PUK is derived from the term Pin Unlocking Key. The PUK (or PUC) number is the PIN code needed to unfreeze the sim card. - ** 04 *, then enter the PIN old, and twice a new PIN.
Change PIN2 - ** 042 *, then enter the old The PIN2, and twice the new PIN2.
Unlock SIM-card (PIN) - ** 05 * then enter the PUK and new PIN twice
Unlock SIM-card (PIN2) - ** 052 *, then enter the PUK2 and new PIN2 twice

Call Forwarding (you have to order the service from the operator)
##002# - Cancel all diverts
##004# - Cancel all conditional call forwarding
**004* phone number # - Activate all conditional call forwarding

Unconditional call forwarding (Call Forward All)
###21 - Switch off and deactivate
#21# - Deactivate
**21*phone number# - Enable and Activate
*21# - Activate
*#21# - Check the condition

Diversion in case of "no answer"
###61 - Switch off and deactivate
#61# - Deactivate
**61* phone number# - Enable and Activate
*61# - Activate
*#61# - Check the condition

Setting the call time until the call forwarding option "no answer"
When installing forwarding on "no answer" you can set the time in seconds that the system allows you to hook. If during this time you have not picked up the phone, the incoming call will be diverted.
Example: - ** 61 * + ** 709576617601234 # 30 - set the waiting time of 30 seconds
Set timeout - ** 61 * Phone Number ** N #, N = 5..30 (seconds)
Remove the previous installation - ## 61 #

Diversion in case of "not available"
# ## 62 - Switch off and deactivate
# 62 # - Deactivate
** 62 *phone number# - Enable and Activate
* 62 # - Activate
* # 62 # - Check the condition

Diversion in case of "busy"
###67 - Switch off and deactivate
#67# - Deactivate
**67*phone number# - Enable and Activate
*67# - Activate
*#67# - Check the condition

Call Barring (you have to order the service from the operator)
Change the password for all bans (default - 0000)
- ** 03 * 330 * old password * new password * new password #

Barring of all outgoing calls
**33*password# - Activate
#33*password# - Deactivate
*#33# - Check the condition

Barring of all calls
**330*password# - Activate
#330*password# - Deactivate
*#330# - Check the condition

Barring of all outgoing international calls
**331*password# - Activate
#331*password# - Deactivate
*#331# - Check the condition

Barring of all outgoing calls
**333*password# - Activate
#333*password# - Deactivate
*#333# - Check the condition

Barring of all incoming calls
**353*password# - Activate
#353*password# - Deactivate
*#353# - Check the condition

Barring all incoming calls when roaming
**351*password# - Activate
#351*password# - Deactivate
*#351# - Check the condition

Call waiting (you have to order the service from the operator)
*43# - Activate
#43# - Deactivate
*#43# - Check the condition

Transfer your phone number (Anti ANI)
#30#phone number - Block
*30#phone number - Allow
*#30# - Check the condition

Show phone number of the caller you (ANI)
#77# - Block
*77# - Allow
*#77# - Check the condition

Smart menu
GP - *111#
Rob - *140#
Banglalink - *789#

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