Secret codes for Nokia C20
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Nokia secret codes
*#06# - IMEI (International Mobile Equipment Identity) number*#*#3646633#*#* - Enter in engineering menu
#pw 1234567890 1# - Shows if sim have restrictions.
*#92702689# - Secret menu: Displays Serial Number, Displays the Month and Year of Manufacture, Displays (if there) the date where the phone was purchased (MMYY), Displays the date of the last repair if found (0000), Shows life timer of phone (time passes since last start)
*#3370# - Activate Enhanced Full Rate Codec (EFR)
*#3370* - (EFR) deactivation
*#4720# - Activate Half Rate Codec
*#4720* - Half Rate Codec deactivation.
*#7328748263373738# - Resets security code.
*#0000# - Get the SW Version (e.g. V 5.27.0 / 28-06-04 / NHL-10 )
*#2820# - Get the Bluetooth (BT) Device Address
xx# - Quick contact access (xx = location number, e.g. : 17#)
*#62209526# - Get the MAC address of the WLAN adapter, this information is only available on the new models (S60 3rd edition) which have WLAN.
When switching the phone on with the "ABC" key (pen) pressed, no application is started, it's a "Safeboot".
WARNING : here is the list of some dangerous codes; use them with care, I'm not responsible for any damage. Do it at Your own risk. !
*#7370925538# (*#Res0Wallet#) - Deletes the code for the "wallet" and erase all the content of the "wallet". Default lock code is 12345.
*#7780# (Partial Format) - Reset to the original settings; some informations are also deleted and need to be re-entered.
*#7370# (Full/Soft format) - this will resets all the phone memory (like re-format a disk); make sure to have full battery charged !
# *#2820# Show Bluetooth MAC address.
# *#62209526# Show Wireless LAN MAC address.
*3370# Enhanced Full Rate Codec (EFR) activation. It will automatically restart.
#3370# Enhanced Full Rate Codec (EFR) deactivation. It will automatically restart.
*4370# Half Rate Codec activation. It will automatically restart
#4370# Half Rate Codec deactivation. It will automatically restart
*#147# (vodafone) this lets you know who called you last *#1471# Last call (Only vodofone)
*#21# Allows you to check the number that ?All Calls? are diverted To
*#2640# Displays security code in use
*#30# Lets you see the private number
*#43# Allows you to check the "Call Waiting" status of your phone.
*#61# Allows you to check the number that "On No Reply" calls are diverted to
*#62# Allows you to check the number that "Divert If Unreachable (no service)" calls are diverted to
*#67# Allows you to check the number that "On Busy Calls" are diverted to
*#67705646# Removes operator logo on 3310 & 3330
*#73# Reset phone timers and game scores
*#746025625# Displays the SIM Clock status, if your phone supports this power saving feature "SIM Clock Stop Allowed", it means you will get he best standby time possible
*#7760# Manufactures code
*#7780# Restore factory settings
*#8110# Software version for the Nokia 8110
#bta0# Display the Bluetooth MAC address (models with build-in Bluetooth radio, activate first to show address)
*#mac0wlan# Display the WLAN MAC address (models with build-in Wi-fi radio)
*#opr0logo# Clear the operator logo (3310 and 3330 only)
*#pca0# Activate the GPRS PCCCH support (early GPRS models)
*#pcd0# Deactivate the GPRS PCCCH support (early GPRS models)
*#res0wallet# Reset the mobile wallet (models with mobile wallet)
*#res0# Soft-format the memory (Symbian models only)
*#rst0# Reset to factory defaults, confirmation required (DCT4 or newer)
*#sim0clock# Display the SIM clock status (DCT3 only)
*#ssn0# Display the manufacturing serial number (mid-range and premium, non-Symbian models, and those devired from them)
*#war0anty# Display the manufacturing and repair info (no exit on DCT3) or total talk time on Symbian models
*efr0# Enable EFR encoding (pre-2003 models)
#efr0# Disable EFR encoding (pre-2003 models)
*hra0# Enable HR encoding (pre-2003 models)
#hra0# Disable HR encoding (pre-2003 models)
[Green/Call] + [def/3] + [*/+] (Hard/Spider Format) - During a power on performs a hard format : this will return the phone like you have newly received / purchased ; make sure to have full battery charged to avoid system error. . !
The Nokia Lumia series running windows phone does not support any of the Nokia secret codes we are familiar with, since the phone runs windows phone it has an entirely different architecture. At this stage there is only one major code however it does unlock several features and options, additionally on the latest software you only have to enter the code once and the new application will remain on your menu.
To access the hidden diagnostics menu on your Nokia Lumia simply dial ##634# on your handset and you will be taken to the menu, the applicaiton will now also permantly appear in your applications menu.
ANDROID Nokia secret codes for Nokia C20
*#*#4636#*#* - Open testing menu Nokia C20. 4 menus will appear on the phone screen: (Phone information, Battery information, Battery history, Usage statistics)
*#*#225#*#* - Events in your calendar
*#*#426#*#* - Google Play service - Debug information
*#*#759#*#* - RLz Debug UI system hidden menu
*#*#36245#*#* - Show Email debug informations
*#*#8255#*#* - Access Google Talk Service Monitor
*#*#64663#*#* - Mobile phones Hardware Test
*#2886# - Factory Auto Testing
*#*#273282*255*663282*#*#* OR *#*#273283*255*663282*#*#* - 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#*#* - Customize the "End Call / Power" button's behavior on your phone to suit your needs.
*#*#34971539#*#* - This code is used to get information about phone camera.
*#*#97#*#* - Language and Keyboard settings in Nokia C20
*#872564# - USB logging control
*#301279# - This code is Shows HSDPA/HSUPA Control Menu
*#9900# - System dump mode Nokia C20
*#*#46*#*# - Reset Sim in Nokia C20
*#*#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#*#* - Displays WiFi MAC address of your device.
*#*#1472365#*#* - GPS test
*#*#1575#*#* - For a more advanced GPS test
*#*#232331#*#* - Bluetooth test
*#*#232337#*# - Shows Bluetooth device address in Nokia C20
GSM codes for Nokia C20
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 turn off all outgoing calls
**33*(enter password)#@ - Activate
#33*(enter password)#@ - Deactivate
*#33#@ - Check the condition
How to bar all calls
*330*(enter password)# - Activate
#330*(enter password)# - Deactivate
*#330# - Check the condition
How to block all outgoing international calls
*331*(enter password)# - Activate
#331*(enter password)# - Deactivate
*#331# - Check the condition
Restrict of all outgoing international calls when 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 turn off all incoming calls
*353*(enter password)# - Activate
#353*(enter password)# - Deactivate
*#353# - Check the condition
How to bar 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 Nokia C20
| Thabelo Mokitimi | March 07, 2024 | ||||||||||
| Sim lock code Nokia C20 | |||||||||||
| Keamogetsoe | August 02, 2023 | ||||||||||
| How to unlock Nokia c20 sim lock code?I can't use my phone please help | |||||||||||
| jacob simenti | February 07, 2023 | ||||||||||
| I bought nokia c20 from a friend in South Africa but when I try to use it, the phone says ntwork locked. What should I do. IMEI356616853302936 | |||||||||||
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| Seaneo Phineas | January 29, 2023 | ||||||||||
| How do I allow data to operate on sim 2 | |||||||||||
| Augustine | December 13, 2022 | ||||||||||
| Unlocking network | |||||||||||
| Jan | November 24, 2022 | ||||||||||
| What code do I use to disable a network lock on a nokia C20. Isit the *#*#46*#*# | |||||||||||
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