Samsung Galaxy M21 2022 secret codes

OS: Android v12

CPU: Exynos 9611 (10nm)

RAM: 6 GB

Display: 6.4 inches

Camera: 48 MP 8 MP 5 MP

Battery: 6000 mAh

Samsung Galaxy M21 2022 smartphone runs on Android v12 operating system. The phone is powered by Exynos 9611 (10nm) processor. It has 6 GB. Internal storage options which can be extended with the help of 128 GB. The smartphone has a Super AMOLED providing. The smartphone is fueled with a 6000 mAh. The main camera of the smartphone consists of a 48 MP 8 MP 5 MP. The sensors include Accelerometer, Gyro, Proximity, Compass. Connectivity features in the smartphone include Bluetooth, A-GPS, Glonass and more. The Samsung Galaxy M21 2022 are available in various colors such as Midnight Blue, Raven Black. It measures 159 x 75.1 x 8.9 mm and weighs 188 grams.

Secret codes for Samsung Galaxy M21 2022

*#06#	- IMEI (International Mobile Equipment Identity) number
##3646633## or ##54298##	- Engineering Mode (for smartphones based on MTK processor)
##4636##	- Diagnostic and general settings mode (Phone, Battery, WiFi and other)
##225##	- Calendar Storage
##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##	- RLZ Debug UI (Device ID, Activation Status, Some Ping Stuff, and few other things)
##36245##	- Email debug information
##8255##	- Access Google Talk Service Monitor
##64663##	- Check Hardware (Version, Sensors, Battery, Radio, Speakers)
##7780##	- Used for a factory data reset.
27673855#	- Instant reset
##232338##	- Displays Wi-Fi Mac-address
##34971539## or *#34971539#	- Show 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##	- 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 display test Code
##3264##	- Ram version
##1111##	- FTA Software version
##2664##	- Touch-Screen test
##0588##	- Proximity sensor test
##8351##	- Enables voice dialing logging mode
##232331##	- Test the Bluetooth
##232337#*#	- Displays Bluetooth address
##7262626##	- Field test
##0289## OR ##0673##	- Audio test
##0842##	- Device test (vibration test and backlight test)
##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 Samsung Galaxy M21 2022

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 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#	- Enable Divert all calls on your phone
#21#	- Disable Divert all calls on your phone
*#21#	- Check status of divert all calls

Set 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

Diversion 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

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

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

Barr all calls
*330code#	- Activate barr all calls
#330*code#	- Deactivate Barr all calls
#330code#	- Check status of barr all calls

USSD Codes For Barring all outgoing international calls
*331code#	- Barr all outgoing international calls is turned ON
#331*code#	- Barr all outgoing international calls is turned OFF
#331code#	- Check status of barr all outgoing international calls

Blocking all outgoing international calls except home country
*332code#	- Enable Barr all outgoing international calls except home country on your phone
#332*code#	- Disable Barr all outgoing international calls except home country on your phone
#332code#	- Check status of barr all outgoing international calls except home country

Barr all outgoing calls
*333code#	- Barr all outgoing calls is turned ON
#333*code#	- Barr all outgoing calls is turned OFF
*#333#	- Check status of barr all outgoing calls

Codes for barring all incoming calls
*35code#	- Activate barr all incoming calls
#35*code#	- Deactivate Barr all incoming calls
*#35#	- Check status of barr all incoming calls

Barr all incoming calls when roaming
*351code#	- Activate barr all incoming calls when roaming
#351*code#	- Deactivate Barr all incoming calls when roaming
*#351#	- Check status of barr all incoming calls when roaming

USSD Codes For Barring all incoming calls
*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 Samsung Galaxy M21 2022

	Lumulc	March 02, 2024
	The Android v12 operating system provides a smooth experience with regular updates. The design is sleek and the Super AMOLED screen offers vibrant colors. The 48 MP camera takes excellent photos. The 6000 mAh battery lasts long, but the device is a bit heavy. Great value for money.
Reply

**Post your question or comment**
Name:
Comment:

What does 10 + 1 equal?

New phones.

Apple iPhone 15 Pro Max

Blackview N6000

BLU G93

Coolpad CP12

Honor X50

HTC Wildfire E star

Secret codes.

Apple iPhone X

10.or G2

Xiaomi Mi 13i

vivo Y20s [G]

Vivo V23 Pro 5G

Oppo A5

News

Low-cost realme V60 Pro will get a capacious battery and water protection

The company realme announced the imminent release of another new smartphone - V60 Pro. Judging by the known specifications, it will be a low-cost device with a capacious battery and a large amount of memory.

The launch date for the realme Neo7 has been revealed

Following the rumors, realme has revealed official details about the upcoming realme Neo7 smartphone. The company has published a teaser, which indicated the date of the upcoming announcement of the novelty.

Vivo S20 and S20 Pro declassified by official source

A week before the presentation of smartphones S20 and S20 Pro company vivo revealed the design and part of the characteristics of both models. Official images also declassified the bright color variants of the future novelties and confirmed the difference in the configuration of their cameras.