Samsung Galaxy A51 secret codes

OS: Android 10.0; One UI 2

CPU: Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)

Display: 6.5" inc

Camera: 48 MP, Quad

Samsung Galaxy A51 smartphone runs on Android 10.0; One UI 2 operating system. The phone is powered by Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) processor. It has 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM. Internal storage options which can be extended with the help of microSD, up to 1 TB (dedicated slot). The smartphone has a Super AMOLED providing, Screen-to-Body Ratio of 87.4%. The smartphone is fueled with a 4000 mAh, Non-removable Li-Po. The main camera of the smartphone consists of a 48 MP, Quad. Connectivity features in the smartphone include Bluetooth, A-GPS, GLONASS, GALILEO, BDS, Wi-Fi, NFC, 3.5 mm Jack and more. The Samsung Galaxy A51 are available in various colors such as Prism Crush Black, White, Blue, Pink. It measures 158.5 x 73.6 x 7.9 mm and weighs 172 g.

Secret codes for Samsung Galaxy A51

*#06#	- IMEI number
##3646633## or ##54298##	- Engineering Mode (for smartphones based on MTK processor)
##4636##	- Display information about Phone, Battery and Usage statistics
##225##	- This code show the number of festivities and events in your calendar
##426##	- Check the connectivity between the FCM server and the mobile devices
*#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##	- This code show Email debug info
##8255##	- Google Talk Service Monitor in Android mobile phones will monitor Google Talk host address and port, your Google JID, your device ID, GTalk connection status, your connection history
##64663##	- Hardware Test (Version, screen, led, sound, vibrate, all sensors)
##7780##	- Used for a factory data reset.
27673855#	- The firmware of the device is completely reinstalled
##232338##	- View Wi-Fi Mac-address
##34971539## or *#34971539#	- Display 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##	- Full 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 Mode
##8351##	- Enables voice dialing logging mode
##232331##	- Show Bluetooth Test Mode
##232337#*#	- Shows Bluetooth device address in Samsung Galaxy A51
##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 A51

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 waiting call
#43#	- Deactivate waiting call
*#43#	- Check status of call waiting

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

Set call forwarding
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#	- Activate no answer calls divert
#61#	- Deactivate no answer calls divert
*#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

Barr 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 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

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

USSD Codes For Barring 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

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

Barr 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

Activate 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

USSD Codes For Barring all incoming calls
*353code#	- Activate all incoming calls Blocking
#353*code#	- Deactivate all incoming calls Blocking
*#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 A51

	Diane	June 21, 2022
	None of these codes work. Something is locked, how do I access them?
Reply

	Belay Fetene	July 23, 2022
	It can't display the sign "+" but only country code for international incoming calls. How it could be?
Reply

	Mahesh	August 07, 2022
	Thumb celebrition code A51 touch code
Reply

	wangaeli	May 28, 2023
	I forgot my pattern I need codes to unlock my phone samsung galaxy A51
Reply

	HjqSadl	March 02, 2024
	The design is sleek and the build quality feels sturdy. The screen is vibrant and sharp. Performance is smooth with quick response. Camera takes great photos. Battery life is decent. Great value overall.
Reply

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