Secret codes for Samsung Galaxy M20
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Samsung secret codes
*#06# - IMEI (International Mobile Equipment Identity) number*#1234# - PDA and Phone firmware information
*#7353# - Using this code to Test Menu
*#0*# - Advenced Test Menu
*#0011# - Check Network Connection details, Serving Cell Info
*#2683662# - Advenced Service Mode
*#0228# - This will take you to a battery status screen
*#0808# - Access USB Settings
*#2663# - Advenced Firmware Version
*#74123465* - Camera Firmware Standard - check your camera firmware version
*#1111# or *#9999# or *#0837# - Show Software Version (instructions). Samsung Galaxy M20.
*#0808# - Access and customize your device's USB settings.
*#2222# - Display Hardware Version.
*#9090# - This code launches the diagnostic configuration and RAM dump menu
*#1234# - View SW Version PDA, CSC, MODEM, Firmware version
*#0*# - General Test Mode of your device.
*#2663# - TSP / TSK firmware update
*#12580*369# - Open information about Android software and hardware.
*#0283# - Audio Loopback Control
*#0228# or *#9998*288# or *#9998*0288# or *#8999*228# - Battery status ADC, RSSI reading
*#0011# - ServiceMode will be displayed on the screen.
#7465625*638*# - Insert Network Lock Key Code
*#34971539# - Show Camera Firmware Menu
Other secret codes that may work on other firmware and android versions.!
*#0001# - Use this to the Show Serial Parameters of your handset.
*#9125# - Activates the smiley when charging.
*#0523# - LCD Contrast.
*#9998*246# - Program status.
*#9998*289# - Change Alarm Buzzer Frequency.
*#9998*324# - Debug Screens.
*#9998*364# - Watchdog
*#9998*377# - EEPROM Error Stack - Use side keys to select values.
*#9998*427# - Trace Watchdog.
*#9998*523# - Change LCD contrast.
*#9998*544# - Jig detect.
*#9998*636# - Memory status
*#9998*746# - SIM File Size
*#9998*778# - SIM Service Table
*#9998*785#- RTK (Run Time Kernel) errors - if ok then phone is reset
*#9998*786# - Run, Last UP, Last DOWN.
*#9998*837# - Software Version.
*#9998*9266# - Yann debug screen (Debug Screens).
*#9998*9999# - Software version
*#9125# - Smiley
*#8999*636# - Display Storage Capacity
*#8999*778# - Display SIM Card Information
*#8999*782# - Show Date And Alarm Clock
*#8999*786# - The Display During Warning
*#8999*837# - Samsung Hardware Version
*#0523# or *#8999*523# - Display Contrast
*#8999*638# - Show Network Information
*#8999*9266# - Display Received Channel Number And Received Intensity
*#8999*364# - Watchdog ON/OFF
*#8999*427# - WATCHDOG Signal Route Setup
*2767*3855# - Full Reset (Caution every stored data will be deleted.)
*2767*2878# - Custom Reset
*2767*927# - Wap Reset
*2767*5282# - Reset Millet's Java and other related
*2767*63342# - Data Reset (deletes photos, ring tones)
*#9998*4357# - Help Menu
*#9998*5282# - Java menu (GRPS / CSD settings for JAVA server)
*#9999#0# - Net monitor
*#8888# or *#9998*8888# - Hardware based version
*#9998*377# or *#9998*0377# - The error log
*#9998*778# or *#9998*0778# or *#0778# - SIM Service table
*#9998*782# - Shows the date and time when the alarm clock will ring
*#9998*5646# - Change the operator logo that shows up at the start of your
*#9998*76# - Manufacturing number
*#9998*968# - View the available sounds for alarm
*#9998*585# - Permanent memory phone
*#3243948# - Digital Audio Interference Off
*#32436837# - This will bring the Digital Audio Interference On option
*#2683662# - Service Mode
*#7353# - Test Menu
*#74123465* - Camera Firmware Standard
ANDROID Samsung secret codes for Samsung Galaxy M20
*#*#4636#*#* - Hidden Android Testing menu Samsung Galaxy M20. 4 menus will appear on the phone screen: (Phone information, Battery information, Battery history, Usage statistics)
*#*#225#*#* - Calendar Storage, show the number events in your calendar
*#*#426#*#* - Check the connectivity between the FCM server and the mobile devices
*#*#759#*#* - Rlz Debug UI. Unique Device ID, PID, ACAP
*#*#36245#*#* - Access Email debug info Email
*#*#8255#*#* - This code can be used to launch Google Talk Service Monitor
*#*#64663#*#* - Hardware Test (Version, screen, led, sound, vibrate, all sensors)
*#2886# - Factory Auto Testing
*#*#273282*255*663282*#*#* OR *#*#273283*255*663282*#*#* - Create backup to all media files
*#*#7780#*#* - This code erases all your mobile data. It'll remove following things: (Downloaded applications, Google account, all data and settings)
*2767*3855# - This code is used for factory format.
*#*#7594#*#* - This code change the "End Call / Power" button action
*#*#34971539#*#* - Checking your mobile phone's camera details.
*#*#97#*#* - Language and Keyboard settings in Samsung Galaxy M20
*#872564# - USB logging control
*#301279# - Display of the HSDPA/HSUPA Control Menu
*#9900# - System dump mode Samsung Galaxy M20
*#*#46*#*# - Reset Sim in Samsung Galaxy M20
*#*#197328640#*#* - Enter service mode to run various tests and change settings
WLAN, GPS and Bluetooth Test Codes:
*#*#232339#*#* OR *#*#526#*#* OR *#*#528#*#* - WLAN test (Use "Menu" button to start various tests)
*#*#232338#*#* - Displays Wi-Fi Mac-address
*#*#1472365#*#* - GPS test
*#*#1575#*#* - For a more advanced GPS test
*#*#232331#*#* - Show Bluetooth Test Mode
*#*#232337#*# - Shows Bluetooth device address in Samsung Galaxy M20
GSM codes for Samsung Galaxy M20
Change PIN code - **04* and enter the old PIN code, and twice a new PIN code.
Change PIN2 code - **042* and enter the old PIN2 code, and twice the new PIN2 code.
Unlock SIM (PIN) - **05* and enter the PUK code and new PIN code twice
Unlock SIM (PIN2) - **052* and enter the PUK2 code and new PIN2 code twice
Call Forwarding (you have to order the service from the operator)
| ##002# | Deactivate call forwarding |
| ##004# | Cancel all conditional call forwarding |
| **004* phone number # | Activate all conditional call forwarding |
Unconditional call forwarding (Call Forward All)
| ###21 | Switch off and deactivate |
| #21# | Deactivate |
| **21*phone number# | Enable and Activate |
| *21# | Activate |
| *#21# | Check the condition |
Diversion in case of "no answer"
| ###61 | Switch off and deactivate |
| #61# | Deactivate |
| **61* phone number# | Enable and Activate |
| *61# | Activate |
| *#61# | Check the condition |
Diversion in case of "not available"
| ### 62 | Switch off and deactivate |
| # 62 # | Deactivate |
| ** 62 *phone number# | Enable and Activate |
| * 62 # | Activate |
| * # 62 # | Check the condition |
Diversion in case of "busy"
| ###67 | Switch off and deactivate |
| #67# | Deactivate |
| **67*phone number# | Enable and Activate |
| *67# | Activate |
| *#67# | Check the condition |
Call Barring (you have to order the service from the operator)
Change the password for all bans (default - 0000)
- ** 03 * 330 * old password * new password * new password #
Barring of all outgoing calls on your phone
**33*(enter password)#@ - Enter to activate
#33*(enter password)#@ - Enter to deactivate
*#33#@ - Check
How to turn off all calls
*330*(enter password)# - Enter to activate
#330*(enter password)# - Enter to deactivate
*#330# - Check
How to bar all outgoing international calls
*331*(enter password)# - Enter to activate
#331*(enter password)# - Enter to deactivate
*#331# - Check
Block outgoing international calls when roaming
*332*(enter password)# - Enter to activate
#332*(enter password)# - Enter to deactivate
*#332# - Check
Restrict of all outgoing calls
*333*(enter password)# - Enter to activate
#333*(enter password)# - Enter to deactivate
*#333# - Check
Barring of all incoming calls on your phone
*353*(enter password)# - Enter to activate
#353*(enter password)# - Enter to deactivate
*#353# - Check
How to turn off all incoming calls when roaming
*351*(enter password)# - Enter to activate
#351*(enter password)# - Enter to deactivate
*#351# - Check
Call waiting (you have to order the service from the operator)
*43# - Enter to activate
#43# - Enter to deactivate
*#43# - Check
Transfer your phone number (Anti ANI)
#30#phone number - Block
*30#phone number - Allow
*#30# - Check
Show phone number of the caller you (ANI)
#77# - Block
*77# - Allow
*#77# - Check
Proceed with Caution: Use codes with care, as incorrect usage could affect device functionality.
If you're unsure about a code, do not use it. It's better to be safe than sorry.
 | Tarik Tonkov Mobile technology specialist |
| Tarik Tonkov is a computer scientist and programmer turned tech journalist with a keen interest in the world of smartphones and tablets. He previously wrote for Android Life and was also a ghostwriter for several technology and automotive publications. He appreciates the reliability and beauty of smartphones, the symbiosis of characteristics and usability. In his free time, Tarik likes to travel by car and polish his programming skills to create small useful programs. | |
Comments, Questions and Answers about the secret codes of Samsung Galaxy M20
| nivek | April 20, 2021 | |
| Most of this features don't work | ||
| Lokeshwar | December 12, 2020 | |
| My call bearing is no activate Baar baar aror is coming call bearing reject | ||
| Ravi | May 11, 2020 | |
| Barring passpord | ||
| Udith shankar | September 23, 2019 | |
| How to hide caller Id in m20 | ||
| Ananta pun | August 16, 2019 | |
| Why this code *#*#4636#*#* is not working in my Samsung galaxy m20? | ||
| Parthiban | July 27, 2019 | |
| Arab mobile are working volte? | ||
| Jm | June 09, 2019 | |
| How to set SMSC number | ||
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