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Secret codes for Karbonn touch A20

  Mobiles >> Karbonn >> Karbonn touch A20

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Karbonn secret codes

*#06# - IMEI (International Mobile Equipment Identity) number
*2767*5282# - Reset Millet's Java and other related

*2767*63342# - Data Reset (deletes photos, ring tones)

*2767*927# - Reset WAP

*#9998*4357# - Help Menu

*#9998*5282# - Java menu (GRPS / CSD settings for JAVA server)

*#9999#0# - Net monitor

*#9999# OR *#9998*9999# - Software Version

*#8888# OR *#9998*8888# - Hardware based version

*#9998*746# OR *#9998*0746# OR *#0746# - SIM Information

*#9998*523# OR *#9998*0523# OR *#0523# - Setting the LCD contrast

*#9998*842# OR *#9998*0842# OR *#0842# - Vibration on as long as we keep "OK."

*#9998*289# OR *#9998*0289# OR *#0289# - Buzzer on until we hold the key "OK."

*#9998*288# OR *#9998*0288# OR *#0288# - Battery Information

*#9998*377# OR *#9998*0377# - The error log

*#9998*778# OR *#9998*0778# OR *#0778# - SIM Service table

*#9998*782# - Shows the date and time when the alarm clock will ring

*#8999*638# - Information about the network

*#9998*5646# - Change the operator logo that shows up at the start of your

*#9998*76# - Manufacturing number

*#9998*968# - View the available sounds for alarm

*#9998*585# - Permanent memory phone

*#3243948# - Digital Audio Interference Off

*#32436837# - This will bring the Digital Audio Interference On option

*#9999# - Software Version

*#0837# - Shows the versions of the firmware (instructions)

*#0001# - Shows the parameters

*#9125# - Enables additional options when charging

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

*#9998*246# - The program status

*#9998*324# - Debug screens

*#9998*364# - Watchdog

*#9998*427# - Trace Watchdog

*#9998*544# - Jig detect

*#9998*636# - Information about the memory

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

*#9998*786# - Shows the date of the last turn on and the last off the phone

*#9998*837# - Shows the software version

*#9998*872# - Diagnostic mode

*#9998*947# - Reset

*#9998*999# - Last/Chk

*#9998*9266# - Yann debug screen

*#9998*9999# - Software Version

*2767*2878# - Reset selected areas of the EEPROM

*2767*3855# - Full EEPROM reset

ANDROID Karbonn secret codes for Karbonn touch A20

*#*#4636#*#* - Display information about Phone, Battery and Usage statistics. 4 menus will appear on the phone screen: (Phone information, Battery information, Battery history, Usage statistics)

*#*#225#*#* - Shows you everything that is saved on your Calendar such as Events, Holidays, Trips, Birthdays, Anniversary

*#*#426#*#* - Google Play services's debug informations

*#*#759#*#* - RLz Debug UI system hidden menu.



*#*#36245#*#* - Email debug information

*#*#8255#*#* - Access GTalk Service Monitor

*#*#64663#*#* - Check Hardware (Version, Sensors, Battery, Radio, Speakers)

*#2886# - Factory Auto Testing

*#*#273282*255*663282*#*#* OR *#*#273283*255*663282*#*#* - This code opens a File copy screen where you can backup your media files

*#*#7780#*#* - Used for a factory data reset. It'll remove following things: (Downloaded applications, Google account, all data and settings)

*2767*3855# - This code is used for factory format.



*#*#7594#*#* - Tailor the function of the "End Call / Power" button on your phone to your preference.

*#*#34971539#*#* - This code provides information about your smartphone's camera.

*#*#97#*#* - Language and Keyboard settings in Karbonn touch A20

*#872564# - USB logging control

*#301279# - Use this code to show HSDPA/HSUPA Control Menu

*#9900# - System dump mode Karbonn touch A20

*#*#46*#*# - Reset Sim in Karbonn touch A20

*#*#197328640#*#* - Enter service mode to run various tests and change settings




WLAN, GPS and Bluetooth Test Codes:

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

*#*#232338#*#* - To obtain the Wi-fi Mac Address of your device.

*#*#1472365#*#* - Device GPS test

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

*#*#232331#*#* - Bluetooth test

*#*#232337#*# - Shows Bluetooth device address in Karbonn touch A20

GSM codes for Karbonn touch A20

Change PIN code - **04* and enter the old PIN code, and twice a new PIN code.
Change PIN2 code - **042* and enter the old PIN2 code, and twice the new PIN2 code.
Unlock SIM (PIN) - **05* and enter the PUK code and new PIN code twice
Unlock SIM (PIN2) - **052* and enter the PUK2 code and new PIN2 code twice

Call Forwarding (you have to order the service from the operator)

##002#	And press dial to cancel all active call 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

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 #

Block outgoing calls
**33*(enter password)#@ - Activation
#33*(enter password)#@ - Deactivation
*#33#@ - Check Status

Restrict of all calls
*330*(enter password)# - Activation
#330*(enter password)# - Deactivation
*#330# - Check Status

Restrict of all outgoing international calls
*331*(enter password)# - Activation
#331*(enter password)# - Deactivation
*#331# - Check Status

How to turn off all outgoing international calls when roaming
*332*(enter password)# - Activation
#332*(enter password)# - Deactivation
*#332# - Check Status

Block all outgoing calls on your phone
*333*(enter password)# - Activation
#333*(enter password)# - Deactivation
*#333# - Check Status

Block incoming calls
*353*(enter password)# - Activation
#353*(enter password)# - Deactivation
*#353# - Check Status

Restrict all incoming calls when roaming
*351*(enter password)# - Activation
#351*(enter password)# - Deactivation
*#351# - Check Status

Call waiting (you have to order the service from the operator)
*43# - Activation
#43# - Deactivation
*#43# - Check Status

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

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

Proceed with Caution: Use codes with care, as incorrect usage could affect device functionality.

If you're unsure about a code, do not use it. It's better to be safe than sorry.

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Tarik Tonkov Mobile technology specialist

Tarik Tonkov is a computer scientist and programmer turned tech journalist with a keen interest in the world of smartphones and tablets. He previously wrote for Android Life and was also a ghostwriter for several technology and automotive publications. He appreciates the reliability and beauty of smartphones, the symbiosis of characteristics and usability. In his free time, Tarik likes to travel by car and polish his programming skills to create small useful programs.

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