Oppo A31 secret codes

OS: Android 9.0 (Pie); ColorOS 6.1

CPU: Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)

Display: 6.5" inc

Camera: 12 MP, Triple

Oppo A31 smartphone runs on Android 9.0 (Pie); ColorOS 6.1 operating system. The phone is powered by Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) processor. It has 128GB 4GB RAM. Internal storage options which can be extended with the help of microSDXC (dedicated slot). The smartphone has a IPS LCD providing, Screen-to-Body Ratio of 82.4%. The smartphone is fueled with a 4230 mAh, Non-removable Li-Po. The main camera of the smartphone consists of a 12 MP, Triple. The sensors include Fingerprint (rear-mounted), accelerometer, proximity, compass. Connectivity features in the smartphone include Bluetooth, A-GPS, BDS, Wi-Fi, 3.5 mm Jack and more. The Oppo A31 are available in various colors such as Fantasy White, Mystery Black. It measures 163.9 x 75.5 x 8.3 mm and weighs 180 g.

Secret codes for Oppo A31

*#06#	- IMEI number
##3646633## or ##54298##	- Engineering Mode (for smartphones based on MTK processor)
##4636##	- Open testing menu (Phone, Battery, WiFi and other)
##225##	- This code show the number of festivities and events in your calendar
##426##	- Google Play services android.
*#0011#	- ServiceMode
*#0808#	- Change USB Settings
*#9900#	- Dump mode
*#9090#	- Diagnostic configuration
#0#	- General Test Mode
*#2663#	- TSP / TSK firmware update
#12580369#	- Software and hardware info
*#0283#	- Audio Loopback Control
#7465625638#	- Insert Network Lock Key Code
##759##	- Access Google partner setup (RLZ debug Interface)
##36245##	- This code show Email debug info
##8255##	- This code can be used to launch Google Talk Service Monitor
##64663##	- Used to launch Hardware Test
##7780##	- Return to factory setting for hard reset but remove applications only.
27673855#	- The firmware of the device is completely reinstalled
##232338##	- View Wi-Fi Mac-address
##34971539## or *#34971539#	- Phone camera information
##1234##	- PDA and Phone firmware info
##7594##	- Changing the power button behavior-Enables direct poweroff once the code enabled
##1472365##	- For a quick GPS test
##273283255663282##*	- For a quick backup to all your media files
##1575##	- GPS Test Code
##197328640##	- Enabling test mode for service activity
##0283##	- Packet Loopback test
*#0228#	- battery calibration

##232339## OR ##526##	- Wireless Lan Tests
##0##*	- LCD Screen Test
##3264##	- Ram version
##1111##	- FTA Software version
##2664##	- Touch-Screen test
##0588##	- Proximity Sensor Test Mode
##8351##	- Enables voice dialing logging mode
##232331##	- Show Bluetooth Test Mode
##232337#*#	- Displays Bluetooth address
##7262626##	- Field test
##0289## OR ##0673##	- Audio test
##0842##	- Used for the test of Vibration and Backlight
##2663##	- Touch Screen Version (Firmware version)
##44336##	- Displays Build time and change list number
##49862650468##*	- PDA, Phone, Hardware, RF Call Date firmware info
##8350##	- Disables voice dialing logging mode
##2222##	- FTA Hardware verion

GSM codes for Oppo A31

Change code
*03old codenew codenew code#
- Change code for call barring
*04old PIN codenew PIN new PIN#
- Change SIM Card PIN code
*042old PIN2 codenew PIN2new PIN2#
- Change SIM Card PIN2 code
*05PUK codenew PUKnew PUK#
- Change SIM Card PUK code
*052PUK2 codenew PUK2new PUK2#
- Change SIM Card PUK2 code

Activate or deactivate Call waiting
*43#	- Activation call waiting
#43#	- Deactivation call waiting
*#43#	- Check status of call waiting

Call Forwarding
##002#	- Disable All Call Forwarding
*004PhoneNumber#	- Set all configured call diversions to PhoneNumber
##004#	- Unregister all configured call diversions

Call Forward All
21PhoneNumber#	- Register and activate divert all calls to PhoneNumber
##21#	- Unregister divert all calls
*21#	- Turn On Divert all calls
#21#	- Turn OFF Divert all calls
*#21#	- Check status of divert all calls

Call forwarding in case of "no answer"
*61PhoneNumber#	- Register and activate divert on no answer to PhoneNumber
##61#	- Unregister divert on no answer
*61#	- Activation Divert on no answer calls
#61#	- Deactivate divert on no answer calls
*#61#	- Check status of divert on no answer

Set call forwarding in case of "not available"
*62PhoneNumber#	- Register and activate divert on not reachable
##62#	- Unregister divert on not reachable
*62#	- Activate divert on not reachable
#62#	- Deactivate divert on not reachable
*#62#	- Check status of divert on not reachable

Call diversion when "busy"
*67PhoneNumber#	- Register and activate divert on busy
##67#	- Unregister divert on busy
*67#	- Activate divert on busy
#67#	- Deactivate divert on busy
*#67#	- Check status of divert on busy all call types
#6711#	- Check status of divert on busy voice calls
#6713#	- Check status of divert on busy fax calls
#6725#	- Check status of divert on busy data calls

USSD Codes For Barring all outgoing calls
*33code#	- Activate barr all outgoing calls (for code see "Safety" above)
#33*code#	- Deactivate barr all outgoing calls
*#33#	- Check status of barr all outgoing calls

GSM codes for barring all calls
*330code#	- Enable Barr all calls on your phone
#330*code#	- Disable Barr all calls on your phone
#330code#	- Check status of barr all calls

All outgoing international calls barring
*331code#	- Enable Barr all outgoing international calls on your phone
#331*code#	- Disable Barr all outgoing international calls on your phone
#331code#	- Check status of barr all outgoing international calls

USSD Codes For Barring all outgoing international calls except home country
*332code#	- Turn On Barr all outgoing international calls except home country
#332*code#	- Turn OFF Barr all outgoing international calls except home country
#332code#	- Check status of barr all outgoing international calls except home country

GSM codes for barring all outgoing calls
*333code#	- Enable Barr all outgoing calls on your phone
#333*code#	- Disable Barr all outgoing calls on your phone
*#333#	- Check status of barr all outgoing calls

USSD Codes For Barring all incoming calls
*35code#	- Enable Barr all incoming calls on your phone
#35*code#	- Disable Barr all incoming calls on your phone
*#35#	- Check status of barr all incoming calls

GSM codes for barring all incoming calls when roaming
*351code#	- Enable Barr all incoming calls when roaming on your phone
#351*code#	- Disable Barr all incoming calls when roaming on your phone
*#351#	- Check status of barr all incoming calls when roaming

All incoming calls barring
*353code#	- Activation Blocking all incoming calls
#353*code#	- Deactivate Block all incoming calls
*#353#	- Check status of Blocking all incoming calls

Thomas Nilan
Smartphone Expert

Thomas Nilan is a mobile phone expert with in-depth knowledge of the Android and iOS operating systems, who understands the settings of various hidden features that allow you to expand the capabilities of your smartphone, as well as get information about what is going on inside the phone for future repairs. He is an authority in his field, which has allowed him to become a ghostwriter for several technology publications, and he enjoys writing small mobile applications for testing smartphones.

User questions and comments about secret codes Oppo A31

	NDAHIGEZE S.Marc	March 27, 2021
	whwat code used to get phone information
Reply

	Midou chiba	April 10, 2021
	I need how sheck GSM lenght signal
Reply

	Riyaz	September 18, 2021
	Oppoa31 CPHHARD RESEET
Reply

	Riyaz	September 18, 2021
	Oppoa31 reset opisial code
Reply

	Kristine	October 25, 2021
	What is the phone information code for oppoa31
Reply

	Shubham	February 13, 2024
	OppoA31 code
Reply

	Shubham	February 13, 2024
	Call barring code for OppoA31
Reply

	Dahobc-Nah	March 05, 2024
	Android 9.0 is user-friendly and smooth, with useful pre-installed apps. The design is sleek, the screen is vibrant, and the camera takes great photos. Battery life is impressive. Great value overall.
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