Mobiles     Laptops     Tablets     Computers     Hardware  Components       Electronics

Secret codes for Karbonn A21

  Mobiles >> Karbonn >> Karbonn A21

Specifications | Reviews | Secret codes

Unlock phone | Root phone

Backup | Flash Firmware | Screenshot

Hard Reset

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 A21

*#*#4636#*#* - Testing menu: Phone, Battery, Usage, WiFi Information. 4 menus will appear on the phone screen: (Phone information, Battery information, Battery history, Usage statistics)

*#*#225#*#* - Calendar Storage, show the number events in your calendar

*#*#426#*#* - Debug information for Google Play service.

*#*#759#*#* - Access to Rlz Debug Ul



*#*#36245#*#* - Show Email debug informations

*#*#8255#*#* - This code can be used to launch Google Talk Service Monitor

*#*#64663#*#* - Used to launch Hardware Test

*#2886# - Factory Auto Testing

*#*#273282*255*663282*#*#* OR *#*#273283*255*663282*#*#* - Immediate backup of all media files

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

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



*#*#7594#*#* - This code change the "End Call / Power" button action

*#*#34971539#*#* - This code is used to get information about phone camera.

*#*#97#*#* - Language and Keyboard settings in Karbonn A21

*#872564# - USB logging control

*#301279# - HSDPA/HSUPA Control Menu

*#9900# - System dump mode Karbonn A21

*#*#46*#*# - Reset Sim in Karbonn A21

*#*#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#*#* - Get Wi-Fi Mac address

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

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

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

*#*#232337#*# - Shows Bluetooth device address in Karbonn A21

GSM codes for Karbonn A21

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#	Disables all call diversion on the phone
##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 #

How to block all outgoing calls
**33*(enter password)#@ - Activate
#33*(enter password)#@ - Deactivate
*#33#@ - Check the condition

How to turn off all calls
*330*(enter password)# - Activate
#330*(enter password)# - Deactivate
*#330# - Check the condition

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

All outgoing international calls barring while roaming
*332*(enter password)# - Activate
#332*(enter password)# - Deactivate
*#332# - Check the condition

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

How to block of all incoming calls
*353*(enter password)# - Activate
#353*(enter password)# - Deactivate
*#353# - Check the condition

How to turn off all incoming calls when roaming
*351*(enter password)# - Activate
#351*(enter 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

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.

---

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.

---

Comments, Questions and Answers about the secret codes of Karbonn A21

Ask a question about Karbonn A21

---

Name:
Question:
7+8= *Sum of Numbers?