Secret codes for Samsung Galaxy S20 Dual SIM
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Samsung secret codes
*#06# - IMEI (International Mobile Equipment Identity) number*#1111# or *#9999# or *#0837# - Show Software Version.
*#0808# - This code modify the USB settings.
*#2222# - Hardware Version Samsung Galaxy S20 Dual SIM.
*#9090# - Service mode: Diagnostic Configuration
*#1234# - View SW Version PDA, CSC, MODEM, Firmware version
*#0*# - Show Advanced Test Menu. Samsung Galaxy S20 Dual SIM.
*#2663# - TSP / TSK firmware update
*#12580*369# - Software and hardware info will appear on the screen.
*#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# - Camera Firmware Menu Samsung Galaxy S20 Dual SIM.
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 S20 Dual SIM
*#*#4636#*#* - Testing menu: Phone, Battery, Usage, WiFi Information. 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#*#* - Google Play services's debug informations
*#*#759#*#* - Access to Rlz Debug Ul
*#*#36245#*#* - Access Email debug info
*#*#8255#*#* - This code can be used to launch Google Talk Service Monitor
*#*#64663#*#* - Used to launch Hardware Test
*#2886# - Factory Auto Testing
*#*#273282*255*663282*#*#* OR *#*#273283*255*663282*#*#* - This code opens a File copy screen where you can backup your media files
*#*#7780#*#* - Reset to factory settings. 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#*#* - This code is to retrieve information about the phone camera.
*#*#97#*#* - Language and Keyboard settings in Samsung Galaxy S20 Dual SIM
*#872564# - USB logging control
*#301279# - HSDPA/HSUPA Control Menu
*#9900# - System dump mode Samsung Galaxy S20 Dual SIM
*#*#46*#*# - Reset Sim in Samsung Galaxy S20 Dual SIM
*#*#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#*#* - Get Wi-Fi Mac address
*#*#1472365#*#* - GPS test
*#*#1575#*#* - For a more advanced GPS test
*#*#232331#*#* - Bluetooth test
*#*#232337#*# - Shows Bluetooth device address in Samsung Galaxy S20 Dual SIM
GSM codes for Samsung Galaxy S20 Dual SIM
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# | Disables all call diversion on the phone |
| ##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 #
How to block all outgoing calls
**33*(enter password)#@ - To Activate
#33*(enter password)#@ - To Cancel
*#33#@ - Check Status
How to turn off all calls
*330*(enter password)# - To Activate
#330*(enter password)# - To Cancel
*#330# - Check Status
Restrict of all outgoing international calls
*331*(enter password)# - To Activate
#331*(enter password)# - To Cancel
*#331# - Check Status
All outgoing international calls barring while roaming
*332*(enter password)# - To Activate
#332*(enter password)# - To Cancel
*#332# - Check Status
Barring of all outgoing calls on your phone
*333*(enter password)# - To Activate
#333*(enter password)# - To Cancel
*#333# - Check Status
How to block of all incoming calls
*353*(enter password)# - To Activate
#353*(enter password)# - To Cancel
*#353# - Check Status
How to turn off all incoming calls when roaming
*351*(enter password)# - To Activate
#351*(enter password)# - To Cancel
*#351# - Check Status
Call waiting (you have to order the service from the operator)
*43# - To Activate
#43# - To Cancel
*#43# - Check Status
Transfer your phone number (Anti ANI)
#30#phone number - Block
*30#phone number - Allow
*#30# - Check Status
Show phone number of the caller you (ANI)
#77# - Block
*77# - Allow
*#77# - Check Status
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. | |
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