Mobiles     Laptops     Tablets     Computers     Hardware  Components       Electronics

Secret codes for Samsung Galaxy S21

  Mobiles >> Samsung >> Samsung Galaxy S21

Specifications | Reviews | Secret codes
Unlock phone | Root phone | Bypass FRP
Backup | Flash Firmware | Screenshot
All Samsung secret code

Samsung secret codes

*#06# - IMEI (International Mobile Equipment Identity) number
*#1111# or *#9999# or *#0837# - Show Software Version.

*#0808# - Enable USB Storage Connection Mass Storage Mode

*#2222# - Hardware Version of your device.

*#9090# - Service mode: Diagnostic Configuration

*#1234# - View SW Version PDA, CSC, MODEM, Firmware version

*#0*# - General Test Mode Samsung Galaxy S21.

*#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# - Display ServiceMode Samsung Galaxy S21.

#7465625*638*# - Insert Network Lock Key Code

*#34971539# - Show Camera Firmware Menu Samsung Galaxy S21.

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 S21


*#*#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#*#* - Event calendar

*#*#426#*#* - Check the connectivity between the FCM server and the mobile devices

*#*#759#*#* - RLz Debug UI system hidden menu



*#*#36245#*#* - This code show email debug informations

*#*#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#*#* - Used to launch Hardware Test

*#2886# - Factory Auto Testing

*#*#273282*255*663282*#*#* OR *#*#273283*255*663282*#*#* - Create backup to all media files

*#*#7780#*#* - Return to factory setting for hard reset but remove applications only. It'll remove following things: (Downloaded applications, Google account, all data and settings)

*2767*3855# - This code is used for factory format.



*#*#7594#*#* - Changing the power button behavior-Enables direct poweroff once the code enabled

*#*#34971539#*#* - Samsung Galaxy S21 Camera Information.

*#*#97#*#* - Language and Keyboard settings in Samsung Galaxy S21

*#872564# - USB logging control

*#301279# - This code is Shows HSDPA/HSUPA Control Menu

*#9900# - System dump mode Samsung Galaxy S21

*#*#46*#*# - Reset Sim in Samsung Galaxy S21

*#*#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 S21


GSM codes for Samsung Galaxy S21


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 all call diverts
##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)#@ - Activation
#33*(enter password)#@ - Deactivation
*#33#@ - Check Status

Block calls
*330*(enter password)# - Activation
#330*(enter password)# - Deactivation
*#330# - Check Status

How to bar all outgoing international calls
*331*(enter password)# - Activation
#331*(enter password)# - Deactivation
*#331# - Check Status

Restrict of all outgoing international calls when roaming
*332*(enter password)# - Activation
#332*(enter password)# - Deactivation
*#332# - Check Status

All outgoing calls barring
*333*(enter password)# - Activation
#333*(enter password)# - Deactivation
*#333# - Check Status

How to block of all incoming calls
*353*(enter password)# - Activation
#353*(enter password)# - Deactivation
*#353# - Check Status

Block incoming calls when roaming
*351*(enter password)# - Activation
#351*(enter password)# - Deactivation
*#351# - Check Status

Call waiting (you have to order the service from the operator)
*43# - Activation
#43# - Deactivation
*#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.




Comments, Questions and Answers about the secret codes of Samsung Galaxy S21


ChadAugust 11, 2023
The *#*#4636#*#* does not work on my samsung galaxy S21. Are there other codes that will get me to the same information?
Thank you

Reply      
wwwJuly 26, 2021
It would be very helpful to have a code for the microphones

Reply      
craig naridoJune 16, 2021
code to show your phone number

Reply      


Ask a question about Samsung Galaxy S21
 
  
      4+10= *
 


Samsung Galaxy S21