Samsung Galaxy M42 secret codes

OS: Android v10 (Q)

CPU: Qualcomm Snapdragon 730

RAM: 6 GB

Camera: 64 MP 8 MP 2 MP

Battery: 4500 mAh

Samsung Galaxy M42 smartphone runs on Android v10 (Q) operating system. The phone is powered by Qualcomm Snapdragon 730 processor. It has 6 GB. Internal storage options which can be extended with the help of 128 GB. The smartphone has a Li-ion providing. The smartphone is fueled with a 4500 mAh. The main camera of the smartphone consists of a 64 MP 8 MP 2 MP. The sensors include Light sensor, Proximity sensor, Accelerometer. Connectivity features in the smartphone include Bluetooth, A-GPS and more. The Samsung Galaxy M42 are available in various colors such as Black.

Secret codes for Samsung Galaxy M42

*#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##	- 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##	- RLZ debug interface
##36245##	- Email debug information
##8255##	- Access Google Talk Service Monitor
##64663##	- Check Hardware (Version, Sensors, Battery, Radio, Speakers)
##7780##	- This code can be used for a factory data reset.
27673855#	- It reinstalls the phones firmware
##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
##3264##	- Display 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##	- Vibration and Backlight test
##2663##	- Displays 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 M42

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#	- Activate divert all calls
#21#	- Deactivate divert all calls
*#21#	- Check status of divert all calls

Diversion 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

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

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#	- Barr all calls Enable
#330*code#	- Barr all calls Disable
#330code#	- Check status of barr all calls

Blocking 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

Activate or deactivate barring all outgoing international calls except home country
*332code#	- Activate barr all outgoing international calls except home country
#332*code#	- Deactivate 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#	- 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#	- Barr all incoming calls Enable
#35*code#	- Barr all incoming calls Disable
*#35#	- Check status of barr all incoming calls

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

Blocking 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 M42

	Hiz-Qekjna	March 29, 2024
	The phone has a sleek design and premium build quality. The screen is vibrant with sharp resolution. Performance is smooth and responsive. Camera takes great photos. Battery life is good. Lots of features. Software is up to date. Good value for the price.
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