Huawei Mate 20 Pro secret codes

OS: Android 9.0 (Pie); EMUI 9

CPU: Octa-core (2x2.6 GHz Cortex-A76 & 2x1.92 GHz Cortex-A76 & 4x1.8 GHz Cortex-A55)

Display: 6.39" inc

Camera: 40 MP, Triple

Huawei Mate 20 Pro smartphone runs on Android 9.0 (Pie); EMUI 9 operating system. The phone is powered by Octa-core (2x2.6 GHz Cortex-A76 & 2x1.92 GHz Cortex-A76 & 4x1.8 GHz Cortex-A55) processor. It has 256 GB, 8 GB RAM128 GB, 6 GB RAM. Internal storage options which can be extended with the help of NM (Nano Memory), up to 256GB (uses SIM 2). The smartphone has a AMOLED providing, Screen-to-Body Ratio of 87.9%. The smartphone is fueled with a 4200 mAh, Non-removable Li-Po. The main camera of the smartphone consists of a 40 MP, Triple. Connectivity features in the smartphone include Bluetooth, dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS, Wi-Fi, NFC and more. The Huawei Mate 20 Pro are available in various colors such as Emerald Green, Midnight Blue, Twilight, Pink Gold, Black. It measures 157.8 x 72.3 x 8.6 mm and weighs 189 g.

Secret codes for Huawei Mate 20 Pro

*#06#	- IMEI number is a unique identification that all mobile phones have
##2846579## or ##2846579159##	- Engineering Mode
##3646633## or ##54298##	- Engineering Mode (for smartphones based on MTK processor)
##4636##	- This code can be used to get some interesting information about Huawei Mate 20 Pro (Phone, Battery, WiFi and other)
##225##	- This code show the number of festivities and events in your calendar
##426##	- Google Play services's debug informations
*#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##	- Debug email in apps/Email
##8255##	- To launch Google Talk service monitor
##64663##	- Check Hardware (Version, Sensors, Battery, Radio, Speakers)
##7780##	- Return to factory setting for hard reset but remove applications only.
27673855#	- The firmware of the device is completely reinstalled
##232338##	- Wi-Fi Mac Address Information
##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##	- Advanced GPS test
##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##	- Open the proximity test
##8351##	- Enables voice dialing logging mode
##232331##	- Bluetooth test
##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 Huawei Mate 20 Pro

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

Configure Call waiting
*43#	- �all waiting Activate
#43#	- �all waiting Deactivate
*#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

GSM codes for 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#	- Divert on no answer calls Activate
#61#	- Divert on no answer calls Deactivate
*#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 forwarding in case of "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

Barr 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#	- 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#	- 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

Barr 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

Barr 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#	- Blocking all incoming calls Activate
#353*code#	- Block all incoming calls Deactivate
*#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 Huawei Mate 20 Pro

	RANJI	August 03, 2021
	How to enable Vowifi features in engineering mode. There is no option in settings... Using latest firmware.
Reply

Ryker

August 19, 2021

How do I change the imei of my phone

	Phoboss	September 11, 2023
	stollen phone. :D

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