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Secret codes for Oppo A12

  Mobiles >> Oppo >> Oppo A12

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Hard Reset

Oppo secret codes

*#06# - IMEI (International Mobile Equipment Identity) number
*#6776# - Phone Software Information

*#99# - Screen Light Long Bright

*#808# - Manual Hardware Test

*#805# - Bluetooth Test Menu

*#809# - Enter engineering Echo Test Menu

*#803# - WiFi Test Menu

*#888# - Hardware Revision

*#8778# or*#*#8255#*#* - Factory Reset

*#36446337# - Engineer Menu

ANDROID Oppo secret codes for Oppo A12

*#*#4636#*#* - Diagnostic and general settings mode Oppo A12. 4 menus will appear on the phone screen: (Phone information, Battery information, Battery history, Usage statistics)

*#*#225#*#* - Upcoming calendar events

*#*#426#*#* - Check the connectivity between the FCM server and the mobile devices

*#*#759#*#* - RLz Debug UI system hidden menu



*#*#36245#*#* - Access Email debug info

*#*#8255#*#* - Used to launch G 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*#*#* - 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#*#* - Modify the response of the "End Call / Power" button on your phone.

*#*#34971539#*#* - This code is to retrieve information about the phone camera.

*#*#97#*#* - Language and Keyboard settings in Oppo A12

*#872564# - USB logging control

*#301279# - This code is Shows HSDPA/HSUPA Control Menu

*#9900# - System dump mode Oppo A12

*#*#46*#*# - Reset Sim in Oppo A12

*#*#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#*#* - Run GPS test

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

*#*#232331#*#* - To troubleshoot Bluetooth

*#*#232337#*# - Shows Bluetooth device address in Oppo A12

GSM codes for Oppo A12

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

Block all calls on your phone
*330*(enter password)# - To Activate
#330*(enter password)# - To Cancel
*#330# - Check Status

How to bar 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

Barring of all outgoing calls on your phone
*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

Block all incoming calls on your phone 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.

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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 Oppo A12

ezekiel gutierrez	October 18, 2024
my wifi cannot open pls give me a new one Reply
Vasava Kundan	December 20, 2023
You have to enter the password to access all functions after the phone is rebooted Reply
Anjali kumari	September 22, 2023
Oppo A12 Ka barring password Reply
Oppo	May 16, 2023
factory reset Reply
Ibrahim Hossein	July 25, 2022
My oppo a12 model-2020 2 year old My mobile storage is always full but my mobile no photo no video Please give me solution Reply
Redge	May 03, 2022
How to unlock the oppo a12 smartphones? Reply
Jer	April 02, 2022
Code for language change from Chinese to English when screen is lock. Please help ASAP. Reply
John Michael Escano	September 28, 2021
how about for language what key i have to dial.AND also for formatting device because i forgot my password Reply
lloydnelsonmoreno@gmail.com	August 17, 2021
I want to expand phone storage with via SD card but how Reply
Lucky	July 20, 2021
How to make my battery as new one Reply
Dillip Sahoo	July 11, 2021
Call barring Reply
Md. Masudur Rahman	June 19, 2021
Video call Reply
Jonathan	June 13, 2021
What is the unlock network code for oppo a12? Reply
Prakash sharma	May 31, 2021
Lots of coded are not working Reply
Abhishek Singh	May 16, 2021
Oppo A12 call baninig default code Reply
Abhishek Singh	May 16, 2021
Call berning default code Reply
Abhishek Singh	May 16, 2021
Call baninig default code Reply
Joarnie Joy P. Miagao	March 25, 2021
How can I unlock my sim 2? My oppo A12 is exclusively for smart users only. How was it? Reply
Reynel Capuno	March 20, 2021
The code isn't working on my oppo a12, what is the other code?pls help me Reply
Ritam Sharma	December 23, 2020
My oppo A12 has shown country code. How to get country code. Plz provides me counrty code Reply

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