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Secret codes for Vivo Y21T

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Vivo secret codes

*#06# - IMEI (International Mobile Equipment Identity) number

ANDROID Vivo secret codes for Vivo Y21T

*#*#4636#*#* - Displaying Phone Information Vivo Y21T. 4 menus will appear on the phone screen: (Phone information, Battery information, Battery history, Usage statistics)

*#*#225#*#* - Check your events in calendar

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

*#*#759#*#* - Rlz Debug UI. Access Google Partner setup



*#*#36245#*#* - Display Email debug informations

*#*#8255#*#* - For Google Talk service monitoring

*#*#64663#*#* - Access Hardware Test (Sensors, Bluetooth, Battery, Speakers)

*#2886# - Factory Auto Testing

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

*#*#7780#*#* - 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#*#* - Customize the operation of the "End Call / Power" button on your phone.

*#*#34971539#*#* - Shows completes information about the camera.

*#*#97#*#* - Language and Keyboard settings in Vivo Y21T

*#872564# - USB logging control

*#301279# - To display HSDPA/HSUPA Control Menu

*#9900# - System dump mode Vivo Y21T

*#*#46*#*# - Reset Sim in Vivo Y21T

*#*#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#*#* - Show GPS test mode

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

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

*#*#232337#*# - Shows Bluetooth device address in Vivo Y21T

GSM codes for Vivo Y21T

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#	Cancelling all 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)#@ - Enter to activate
#33*(enter password)#@ - Enter to deactivate
*#33#@ - Check

Barring of all calls on your phone
*330*(enter password)# - Enter to activate
#330*(enter password)# - Enter to deactivate
*#330# - Check

How to block all outgoing international calls
*331*(enter password)# - Enter to activate
#331*(enter password)# - Enter to deactivate
*#331# - Check

Barring of all outgoing international calls during roaming on your phone
*332*(enter password)# - Enter to activate
#332*(enter password)# - Enter to deactivate
*#332# - Check

How to turn off all outgoing calls
*333*(enter password)# - Enter to activate
#333*(enter password)# - Enter to deactivate
*#333# - Check

Block all incoming calls on your phone
*353*(enter password)# - Enter to activate
#353*(enter password)# - Enter to deactivate
*#353# - Check

Barring all incoming calls during roaming on your phone
*351*(enter password)# - Enter to activate
#351*(enter password)# - Enter to deactivate
*#351# - Check

Call waiting (you have to order the service from the operator)
*43# - Enter to activate
#43# - Enter to deactivate
*#43# - Check

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

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

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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Comments, Questions and Answers about the secret codes of Vivo Y21T

Murshad alam	February 03, 2024
*#07# code check stutas Reply
Deepak Kolhe	January 10, 2023
I have observed that provided multiple codes are not working, Cod you please update latest codes with testing. Reply
Mohit Kumar	December 29, 2022
How to open hide app Reply
Arun	December 28, 2022
I forgot my pattern And it's not opening Reply
Abdur Razzak	December 12, 2022
my phone Vivo Y21t My phone is not going to any phone, I want a solution Reply
Nasir	August 17, 2022
How to activate never sleep mode in vivo y21t mobile? Reply

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