Oppo A9 (2020) secret codes

OS: Android 9.0 (Pie); ColorOS 6.1

CPU: Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)

Display: 6.5" inc

Camera: 48 MP, Quad

Oppo A9 (2020) smartphone runs on Android 9.0 (Pie); ColorOS 6.1 operating system. The phone is powered by Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) processor. It has 128GB 4GB RAM, 128GB 8GB RAM, UFS2.1. Internal storage options which can be extended with the help of microSD, up to 256 GB (dedicated slot). The smartphone has a IPS LCD providing, Screen-to-Body Ratio of 82.5%. The smartphone is fueled with a 5000 mAh, Non-removable Li-Po. The main camera of the smartphone consists of a 48 MP, Quad. The sensors include Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass. Connectivity features in the smartphone include Bluetooth, A-GPS, GLONASS, GALILEO, BDS, Wi-Fi, 3.5 mm Jack and more. The Oppo A9 (2020) are available in various colors such as Marine Green, Space Purple. It measures 163.6 x 75.6 x 9.1 mm and weighs 195 g.

Secret codes for Oppo A9 (2020)

*#06#	- IMEI number
##3646633## or ##54298##	- Engineering Mode (for smartphones based on MTK processor)
##4636##	- This code can be used to get some interesting information about Oppo A9 (2020) (Phone, Battery, WiFi and other)
##225##	- This code show the number of festivities and events in your calendar
##426##	- Information about the connection with Google Play Services
*#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##	- RLz Debug UI system hidden menu
##36245##	- This code show Email debug info
##8255##	- To launch Google Talk service monitor
##64663##	- Hardware Test (Version, Sensors, Sim, WLAN, Bluetooth, Battery, OTG, Radio, Speakers)
##7780##	- This code erases all your mobile data.
27673855#	- The firmware of the device is completely reinstalled
##232338##	- View Wi-Fi Mac-address
##34971539## or *#34971539#	- Full information about the camera.
##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##	- Different 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 Code
##3264##	- Ram version
##1111##	- FTA Software version
##2664##	- Touch-Screen test
##0588##	- Proximity Sensor Test Mode
##8351##	- Enables voice dialing logging mode
##232331##	- Bluetooth test
##232337#*#	- Displays bluetooth device address
##7262626##	- Field test
##0289## OR ##0673##	- Audio test
##0842##	- Check Device Test Vibration and Backlight
##2663##	- Display device's touch-screen 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 A9 (2020)

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#	- Activate call waiting
#43#	- Deactivate 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#	- Divert all calls Activate
#21#	- Divert all calls Deactivate
*#21#	- Check status of divert all calls

Set up call forwarding in case of "no answer"
*61PhoneNumber#	- Register and activate divert on no answer to PhoneNumber
##61#	- Unregister divert on no answer
*61#	- Activate 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

Blocking 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

Blocking 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

Barr all outgoing international calls
*331code#	- Activate barr all outgoing international calls
#331*code#	- Deactivate Barr all outgoing international calls
#331code#	- Check status of barr all outgoing international calls

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

Blocking all outgoing calls
*333code#	- Activate barr all outgoing calls
#333*code#	- Deactivate Barr all outgoing calls
*#333#	- Check status of barr all outgoing calls

Blocking 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

Blocking 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

Barr all incoming calls
*353code#	- Activate Blocking all incoming calls
#353*code#	- Deactivate Blocking 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 A9 (2020)

	Sanjay	August 20, 2020
	I bought a new Oppo A92020 from India and brought to Maldives. When I switched on the mobile, it shows to enter 16 digit number.can u pls help me on this.
Reply

	Pradhyumna	January 26, 2021
	Can I unlock my OPPO A9 2020 .If I have forgotten my screen unlocking pin , without losing my mobile data
Reply

	Dileep	March 17, 2021
	I had hidden my settings app and forgotten hide password what to do now
Reply

	Ravi	June 02, 2021
	How to activate volte calls on
Reply

	praveen	June 06, 2021
	mu oppo mobile pin code forget please help me
Reply

	sanjeev	June 06, 2021
	my oppo a9 2020 pin code forget please help me
Reply

	Arumugam	June 30, 2021
	Oppo a9 2020 No sim problem Sim try good please solution
Reply

	karan singh chouhan	November 20, 2021
	my phone is lock i forget the lock i tried everything to open the lock but its not working i have no sim in my phone and not any gmail login now how can i open the lock of oppo a9 series mobile plzz help
Reply

	Ganz	February 05, 2023
	My phone doesn't work any code
Reply

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