ZTE Axon 21 5G secret codes

OS: Android v11

CPU: Qualcomm Snapdragon 775G

RAM: 8 GB

Display: 6.92 inches

Camera: 64 MP 13 MP 2 MP 2 MP

Battery: 4500 mAh

ZTE Axon 21 5G smartphone runs on Android v11 operating system. The phone is powered by Qualcomm Snapdragon 775G processor. It has 8 GB. Internal storage options which can be extended with the help of 128 GB. The smartphone has a OLED providing. The smartphone is fueled with a 4500 mAh. The main camera of the smartphone consists of a 64 MP 13 MP 2 MP 2 MP. The sensors include Accelerometer, Gyro, Proximity, Compass. Connectivity features in the smartphone include Bluetooth, A-GPS, Glonass, NFC and more. The ZTE Axon 21 5G are available in various colors such as Black, Gold, Blue, Purple. It measures 172.1 x 77.9 x 8 mm and weighs 198 grams.

Secret codes for ZTE Axon 21 5G

*#06#	- IMEI (International Mobile Equipment Identity) number
##3646633## or ##54298##	- Engineering Mode (for smartphones based on MTK processor)
##4636##	- Testing menu: Phone, Battery, Usage, WiFi Information.
##225##	- Calendar Storage, show the number events in your calendar
##426##	- Information such as Event and part of 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. Unique Device ID, PID, ACAP other data related to application installation.
##36245##	- Email debug information
##8255##	- Used to launch Google Talk Service Monitor
##64663##	- Test hardware (Version, Bluetooth, Battery, OTG, Speakers)
##7780##	- Factory Data Reset.
27673855#	- Full reset EEROM.
##232338##	- Displays Wi-Fi Mac-address
##34971539## or *#34971539#	- Display 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 Control Menu
##197328640##	- Enabling test mode for service activity
##0283##	- Packet Loopback test
*#0228#	- battery calibration

##232339## OR ##526##	- Wireless Lan Tests
##0##*	- LCD test Code
##3264##	- Show Ram version
##1111##	- FTA Software version
##2664##	- Touch-Screen test
##0588##	- Proximity sensor test
##8351##	- Enables voice dialing logging mode
##232331##	- Check Bluetooth
##232337#*#	- Bluetooth address
##7262626##	- Field test
##0289## OR ##0673##	- Audio test
##0842##	- Device test (vibration test and backlight test)
##2663##	- Show 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 ZTE Axon 21 5G

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

Call waiting
*43#	- �all waiting Enable
#43#	- �all waiting Disable
*#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

Activate or deactivate Call Forward All
21PhoneNumber#	- Register and activate divert all calls to PhoneNumber
##21#	- Unregister divert all calls
*21#	- Activate all calls divert
#21#	- Deactivate all calls divert
*#21#	- Check status of divert all calls

Call diversion when "no answer"
*61PhoneNumber#	- Register and activate divert on no answer to PhoneNumber
##61#	- Unregister divert on no answer
*61#	- Divert on no answer calls Enable
#61#	- Divert on no answer calls Disable
*#61#	- Check status of divert on no answer

Divert calls if your line is "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

Diversion 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

GSM 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

Activate or deactivate barring all calls
*330code#	- Enable barr all calls
#330*code#	- Disable Barr all calls
#330code#	- Check status of barr all calls

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

Block all outgoing international calls except home country
*332code#	- Activate all outgoing international calls except home country barring
#332*code#	- Deactivate all outgoing international calls except home country barring
#332code#	- Check status of barr all outgoing international calls except home country

Activate or deactivate barring all outgoing calls
*333code#	- Activation Barr all outgoing calls
#333*code#	- Deactivate Barr all outgoing calls
*#333#	- Check status of barr all outgoing calls

GSM codes for barring all incoming calls
*35code#	- Enable barr all incoming calls
#35*code#	- Disable Barr all incoming calls
*#35#	- Check status of barr all incoming calls

Activate or deactivate barring all incoming calls when roaming
*351code#	- Enable barr all incoming calls when roaming
#351*code#	- Disable Barr all incoming calls when roaming
*#351#	- Check status of barr all incoming calls when roaming

Activate barr all incoming calls
*353code#	- Blocking all incoming calls Enable
#353*code#	- Blocking all incoming calls Disable
*#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 ZTE Axon 21 5G

	Cjv-Wjvone	March 26, 2024
	The camera quality is impressive with various shooting modes and optical image stabilization. The battery life is decent with fast charging. The device offers great functionality and performance.
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