Samsung Galaxy A40 secret codes

OS: Android 9.0 (Pie)

CPU: Octa-core (2x1.77 GHz Cortex-A73 & 6x1.59 GHz Cortex-A53)

Display: 5.9" inc

Camera: 16 MP, Dual

Samsung Galaxy A40 smartphone runs on Android 9.0 (Pie) operating system. The phone is powered by Octa-core (2x1.77 GHz Cortex-A73 & 6x1.59 GHz Cortex-A53) processor. It has 64 GB, 4 GB 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 85.5%. The smartphone is fueled with a 3100 mAh, Non-removable Li-Po. The main camera of the smartphone consists of a 16 MP, Dual. The sensors include Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass. Connectivity features in the smartphone include Bluetooth, A-GPS, GLONASS, GALILEO, BDS, Wi-Fi, NFC, 3.5 mm Jack and more. The Samsung Galaxy A40 are available in various colors such as Black, White, Blue, Coral. It measures 144.4 x 69.2 x 7.9 mm and weighs 140 g.

Secret codes for Samsung Galaxy A40

*#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##	- Google Play service - Debug information
*#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
##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##	- Engineering Mode (Version, WLAN, Bluetooth, Battery, Speakers)
##7780##	- Factory Data Reset (all phone data will be erased).
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##	- GPS Test Code
##197328640##	- Enabling test mode for service activity
##0283##	- Packet Loopback test
*#0228#	- battery calibration

##232339## OR ##526##	- Wireless Lan Tests
##0##*	- Mobile phone LCD test
##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#*#	- Show device's Bluetooth address
##7262626##	- Field test
##0289## OR ##0673##	- Audio test
##0842##	- Backlight/vibration test
##2663##	- The displays touch-screen version of Android device
##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 A40

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#	- Enable call waiting
#43#	- Disable call waiting
*#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 Forward All
21PhoneNumber#	- Register and activate divert all calls to PhoneNumber
##21#	- Unregister divert all calls
*21#	- To turn Divert On for all calls
#21#	- To turn Divert OFF for all calls
*#21#	- Check status of divert all calls

Set up call diversion in case of "no answer"
*61PhoneNumber#	- Register and activate divert on no answer to PhoneNumber
##61#	- Unregister divert on no answer
*61#	- Enable divert on no answer calls
#61#	- Disable divert on no answerl calls
*#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

Block 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

Set barring of 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#	- To turn Barring On for all outgoing international calls except home country
#332*code#	- To turn Barring OFF for all outgoing international calls except home country
#332code#	- Check status of barr all outgoing international calls except home country

Block 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

Block 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

Set barring of all incoming calls
*353code#	- Enable Blocking all incoming calls
#353*code#	- Disable Blocking all incoming calls
*#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 A40

	Vaidotas	February 15, 2023
	Mobile phone LCD test is #0#
Reply

	Xucyge-Lyc	March 19, 2024
	The camera takes great photos in various lighting conditions, and the battery lasts a long time. The phone has many useful features and a sleek design.
Reply

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