Secret codes for Samsung Galaxy A42 5G
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Samsung secret codes
*#06# - IMEI (International Mobile Equipment Identity) number*#1111# or *#9999# or *#0837# - Software version Samsung Galaxy A42 5G.
*#0808# - Access and customize your device's USB settings.
*#2222# - Open Hardware Version Samsung Galaxy A42 5G.
*#9090# - Display diagnostic configuration and RAM Dump
*#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 appear 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 A42 5G
*#*#4636#*#* - Diagnostic and general settings mode Samsung Galaxy A42 5G. 4 menus will appear on the phone screen: (Phone information, Battery information, Battery history, Usage statistics)
*#*#225#*#* - Calendar Storage, check your events in calendar
*#*#426#*#* - Check the connectivity between the FCM server and the mobile devices
*#*#759#*#* - RLZ Debug UI (Device ID, Activation Status and few other things
*#*#36245#*#* - Access Email debug info Email
*#*#8255#*#* - Used to launch Google Talk Service Monitor
*#*#64663#*#* - To launch hardware test (Version, Sim, WLAN, Battery, Radio, Speakers, Bluetooth)
*#2886# - Factory Auto Testing
*#*#273282*255*663282*#*#* OR *#*#273283*255*663282*#*#* - Create backup to all media files
*#*#7780#*#* - Reset mobile phone 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#*#* - Adjust the functionality of the "End Call / Power" button on your phone.
*#*#34971539#*#* - Checking your mobile phone's camera details.
*#*#97#*#* - Language and Keyboard settings in Samsung Galaxy A42 5G
*#872564# - USB logging control
*#301279# - HSDPA/HDUPA settings
*#9900# - System dump mode Samsung Galaxy A42 5G
*#*#46*#*# - Reset Sim in Samsung Galaxy A42 5G
*#*#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 information of Wi-Fi Mac address
*#*#1472365#*#* - Enter to GPS test
*#*#1575#*#* - For a more advanced GPS test
*#*#232331#*#* - To troubleshoot Bluetooth
*#*#232337#*# - Shows Bluetooth device address in Samsung Galaxy A42 5G
GSM codes for Samsung Galaxy A42 5G
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# | Cancel all 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 #
How to bar all outgoing calls
**33*(enter password)#@ - Enter to activate
#33*(enter password)#@ - Enter to deactivate
*#33#@ - Check
How to block 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
How to bar all 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
How to bar all incoming calls
*353*(enter password)# - Enter to activate
#353*(enter password)# - Enter to deactivate
*#353# - Check
How to block 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 A42 5G
| Md.Mahamud Ali | December 22, 2023 | |
| My need barring password of A-42 5g mobail. | ||
| Md.Mahamud Ali | December 22, 2023 | |
| Barring code | ||
| Md.Mahamud Ali | December 22, 2023 | |
| Enter call barring password | ||
| Javed | February 11, 2023 | |
| How to change imei by using code ? | ||
| Earl Lum | October 18, 2021 | |
| Are these codes valid for an Unlocked version of the A42 5G? None of the codes worked including the IMEI. | ||
| Adam Garrett | October 08, 2021 | |
| How to change an settings | ||
| Apn | September 16, 2021 | |
| How to change apn settings on a42. | ||
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