Secret codes for Vivo U20
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Vivo secret codes
*#06# - IMEI (International Mobile Equipment Identity) numberANDROID Vivo secret codes for Vivo U20
*#*#4636#*#* - Displaying Phone Information Vivo U20. 4 menus will appear on the phone screen: (Phone information, Battery information, Battery history, Usage statistics)
*#*#225#*#* - This code check your events in calendar
*#*#426#*#* - Check the connectivity between the FCM server and the mobile devices
*#*#759#*#* - RLz Debug UI system hidden menu
*#*#36245#*#* - Email debug information
*#*#8255#*#* - This code can be used to launch GTalk Service Monitor
*#*#64663#*#* - Access Hardware Test (Sensors, Bluetooth, Battery, Speakers)
*#2886# - Factory Auto Testing
*#*#273282*255*663282*#*#* OR *#*#273283*255*663282*#*#* - Create backup to 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#*#* - Alter the behavior of the "End Call / Power" button on your phone.
*#*#34971539#*#* - This code provides information about your smartphone's camera.
*#*#97#*#* - Language and Keyboard settings in Vivo U20
*#872564# - USB logging control
*#301279# - This code is Shows HSDPA/HSUPA Control Menu
*#9900# - System dump mode Vivo U20
*#*#46*#*# - Reset Sim in Vivo U20
*#*#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#*#* - Wi-Fi Mac Address
*#*#1472365#*#* - View GPS test mode
*#*#1575#*#* - For a more advanced GPS test
*#*#232331#*#* - Run Bluetooth test
*#*#232337#*# - Shows Bluetooth device address in Vivo U20
GSM codes for Vivo U20
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 #
Block all outgoing calls on your phone
**33*(enter password)#@ - Activation
#33*(enter password)#@ - Deactivation
*#33#@ - Check Status
Blocking of all calls
*330*(enter password)# - Activation
#330*(enter password)# - Deactivation
*#330# - Check Status
How to bar all outgoing international calls
*331*(enter password)# - Activation
#331*(enter password)# - Deactivation
*#331# - Check Status
Restrict of 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 all incoming calls on your phone
*353*(enter password)# - Activation
#353*(enter password)# - Deactivation
*#353# - Check Status
Blocking 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.
 | 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 Vivo U20
| nirbhay kumar sharma | December 15, 2022 | |
| not open *#*#4636#*#* plz message 9598410196 | ||
| ZUBAIR | August 20, 2022 | |
| Display test | ||
| Asik | June 28, 2022 | |
| Vivo u20 call barring password | ||
| MAHESH | May 31, 2022 | |
| Vivo u20 code | ||
| CHANDAN KUMAR | January 09, 2022 | |
| Sir >call barring settings> me reject all incoming calls>barring password kya hai Model vivou20 | ||
| JADHAV SANJU | October 16, 2021 | |
| Call barring password | ||
| Udit kumar | September 06, 2021 | |
| give me sir password when reset? | ||
| Vivo u20 | August 27, 2021 | |
| Call barring 4 digit Code | ||
| Deepak Kumar | March 13, 2021 | |
| Vivo u20 default password | ||
| Wr | April 30, 2020 | |
| Why u hav updated such bakwas codes, non of this is working.. | ||
| Vikas Bhardwaj | April 21, 2020 | |
| i have tried with gmail there is no solution. kindly please help on HardReset.info: Unlock vivo U20 default code on emergency call thru factory reset Regards Vikas 9311439322 | ||
Ask a question about Vivo U20
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