SAMSUNG Galaxy A21s Secret Codes

Here you can find all secret codes for SAMSUNG Galaxy A21s. Check out how to enter hidden mode and use advanced options of Android 10. Let's get access to secret information about SAMSUNG Galaxy A21s. Click here and find out more information about secret codes.

SAMSUNG Galaxy A21s hidden features

1. *#06# displays the IMEI and Serial Number.
2. *#0*# Test Menu - in this Test Menu you can test most futures your SAMSUNG Galaxy A21s have, like : LCD Display, Touch, LED light, Front and Back Cameras and much more.
3. *#0228# Battery Status - here you have every information about SAMSUNG Galaxy A21s battery.
4. *#0808# USB Settings - by this menu, you can change the way your SAMSUNG Galaxy A21s will be recognized by PC/Laptop when you are connected with USB cable. Modes like Mass Storage, MPT, ADB, etc.
5. *#1234# Firmware version - you can check here your SAMSUNG Galaxy A21s Firmware Version and Model Name.
6. *#2663# Advanced Firmware Version menu allows you to check: TSP FW Version, Touch key FW version, MCU/BINFW Version and WIFI Version.
7. *#0011# Service Mode will let you check some details like Network Connection details, Serving Cell Info.
8. *#2683662# - Advanced Service Mode this code gives you access to many things in your SAMSUNG Galaxy A21s e.g. you can test things like, 2G 3G LTE WIFI etc. and also lots of things to be checked SIM Information, Antenna, All SW Version, IMEI and much, much more enjoy!