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Secret codes for Oppo A31

  Mobiles >> Oppo >> Oppo A31

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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 A31

*#*#4636#*#* - Testing menu: Phone, Battery, Usage, WiFi Information. 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#*#* - Google Play Services app with the information about the connectivity with the FCM server

*#*#759#*#* - Access Google partner setup (RLZ debug Interface)



*#*#36245#*#* - Debug email in apps/Email

*#*#8255#*#* - This code can be used to launch Google Talk Service Monitor

*#*#64663#*#* - Used to launch Hardware Test

*#2886# - Factory Auto Testing

*#*#273282*255*663282*#*#* OR *#*#273283*255*663282*#*#* - To copy and backup media files

*#*#7780#*#* - Android factory reset code. 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#*#* - Display the phone's camera information.

*#*#97#*#* - Language and Keyboard settings in Oppo A31

*#872564# - USB logging control

*#301279# - This code gives HSDPA/HSUPA Control Menu

*#9900# - System dump mode Oppo A31

*#*#46*#*# - Reset Sim in Oppo A31

*#*#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 Wi-Fi Mac address

*#*#1472365#*#* - GPS test

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

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

*#*#232337#*# - Shows Bluetooth device address in Oppo A31

GSM codes for Oppo A31

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#	And press the call icon to cancel 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 #

How to block all outgoing calls
**33*(enter password)#@ - Activate
#33*(enter password)#@ - Deactivate
*#33#@ - Check the condition

How to turn off all calls
*330*(enter password)# - Activate
#330*(enter password)# - Deactivate
*#330# - Check the condition

Block outgoing international calls
*331*(enter password)# - Activate
#331*(enter password)# - Deactivate
*#331# - Check the condition

Blocking of all outgoing international calls when roaming
*332*(enter password)# - Activate
#332*(enter password)# - Deactivate
*#332# - Check the condition

Block outgoing calls
*333*(enter password)# - Activate
#333*(enter password)# - Deactivate
*#333# - Check the condition

How to block of all incoming calls
*353*(enter password)# - Activate
#353*(enter password)# - Deactivate
*#353# - Check the condition

How to turn off 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.

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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 A31

Chamara	June 03, 2023
How to aA31 2020 Battery code namber Reply
Vijay Bhalavi	December 16, 2022
How To Reset Oppo A31 Phone Without Lockscreen Password Reply
Aziz	September 27, 2022
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Aniket dubey	November 07, 2021
Call barring code Reply
Oppo a31	December 14, 2020
How to increase oppo a31 storage and ram Reply
Krish sharma	July 02, 2020
Region lock 16 digit unlock code Reply

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