Secret codes for Karbonn A4
Mobiles >> Karbonn >> Karbonn A4| Specifications | Reviews | Secret codes |
| Unlock phone | Root phone |
| Backup | Flash Firmware | Screenshot |
| Hard Reset |
Karbonn secret codes
*#06# - IMEI (International Mobile Equipment Identity) number*#987*99# - Restore Factory Settings
*#110*01# - Shows Engineering Mode
*#987# - Shows factory Mode
*#900# - Its for Check Software Version
*#800# - Shows Software Version
*#369# - Its for Change LCD Contrast
**#0000# - Set Default Language
**#0007# - Russian Set Language
**#0033# - Set French Language
**#0034# - Set Spanish Language
**#0039# - Set Italian Language.
**#0044# - Set English Language.
**#0049# - Set German Language.
**#0066# - Set Thai Language.
*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 A4
*#*#4636#*#* - Diagnostic and general settings mode Karbonn A4. 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#*#* - RLz Debug UI system hidden menu
*#*#36245#*#* - Display a debug information about your email id
*#*#8255#*#* - This code can be used to launch Google Talk Service Monitor
*#*#64663#*#* - To launch hardware test (Version, Sim, WLAN, Battery, Radio, Speakers, Bluetooth)
*#2886# - Factory Auto Testing
*#*#273282*255*663282*#*#* OR *#*#273283*255*663282*#*#* - Immediate backup of all media files
*#*#7780#*#* - Return to factory setting for hard reset but remove applications only. 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 gives you further information about the installed camera software.
*#*#97#*#* - Language and Keyboard settings in Karbonn A4
*#872564# - USB logging control
*#301279# - This code is Shows HSDPA/HSUPA Control Menu
*#9900# - System dump mode Karbonn A4
*#*#46*#*# - Reset Sim in Karbonn A4
*#*#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 information of Wi-Fi Mac address
*#*#1472365#*#* - GPS test
*#*#1575#*#* - For a more advanced GPS test
*#*#232331#*#* - To troubleshoot Bluetooth
*#*#232337#*# - Shows Bluetooth device address in Karbonn A4
GSM codes for Karbonn A4
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# | Deactivate all 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 #
How to bar all outgoing calls
**33*(enter password)#@ - To Activate
#33*(enter password)#@ - To Cancel
*#33#@ - Check Status
How to turn off all calls
*330*(enter password)# - To Activate
#330*(enter password)# - To Cancel
*#330# - Check Status
Barring of all outgoing international calls
*331*(enter password)# - To Activate
#331*(enter password)# - To Cancel
*#331# - Check Status
Restrict of all outgoing international calls when roaming
*332*(enter password)# - To Activate
#332*(enter password)# - To Cancel
*#332# - Check Status
How to bar all outgoing calls
*333*(enter password)# - To Activate
#333*(enter password)# - To Cancel
*#333# - Check Status
How to bar all incoming calls
*353*(enter password)# - To Activate
#353*(enter password)# - To Cancel
*#353# - Check Status
How to turn off all incoming calls when roaming
*351*(enter password)# - To Activate
#351*(enter password)# - To Cancel
*#351# - Check Status
Call waiting (you have to order the service from the operator)
*43# - To Activate
#43# - To Cancel
*#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.
 | 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 A4
| Arshparkash Singh | April 15, 2018 | |
| my phone's all type of audio stopped all of sudden, ( no dial tone , no inside or outside voice call no speaker phone and no headphone voice etc,
I got my phone checked from a repair shop but they were also unable to detect the fault. please guide me if it is a software problem? | ||
Ask a question about Karbonn A4
The presentation of a new smartphone realme Neo7 took place in China. The manufacturer focused all attention on maximum performance at a minimum price: the device received a powerful processor, high-quality screen and a capacious battery. But also without compromises did not do without.
The vivo company has announced the release date of the upcoming vivo Y300 smartphone. Features of the device will be a powerful speaker with Hi-Res 3D sound, as well as a high-capacity battery for long battery life.
Employees of the DxOMark laboratory published autonomy testing of the recently released mid-range smartphone Honor X9c. Experts were impressed with the operating time of the device, which eventually became the new leader of the rating.