Samsung Galaxy A21s Flashing Guide with Odin Flash Tool

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Samsung Galaxy A21s
Samsung Galaxy A21s Flashing Guide with Odin Flash Tool

Odin is one of the best Samsung smartphone flashing tool to flash only Samsung smartphone. We can flash custom ROMs, zip files, kernels, and other similar flashing over Samsung device with Odin tool.

In this article, you will learn to use Odin flashing tool on your Samsung smartphone to bring new improvements & fixes for your smartphone. Odin will allow you to flash official stock ROMs, custom ROMs on your Samsung devices running on Android OS.

So, if you want to flash your Samsung Galaxy A21s device, then you are the right page where we are going to guide you how to flash Samsung Galaxy A21s device to get rid of unusual errors like application errors, touchscreen errors, download errors, virus inside internal memory, loading a boot loop, other similar errors. To fix these you might want to try factory reset to get rid of errors but if you have already done this too but nothing changed then follow the steps below and start flashing Samsung Galaxy A21s with odin flashing tool.

Pre-requisites to before flashing Samsung Galaxy A21s:

  • Make sure your device battery is charged up to 70% before flashing
  • Backup your entire device data, in case of any flashing error
  • Make sure you download Samsung kies to fix any USB driver errors
  • Download Odin flashing tool
  • Download Flashing firmware file (Scatter file + files to be flashed) that you will be flashing over Samsung Galaxy A21s with Odin

How to flash Samsung Galaxy A21s with Odin flashing tool

Follow the steps below to be able to flash Samsung Galaxy A21s with Odin flashing tool:

  • Extact Odin from .zip file on desktop of your PC
  • Also, extract Samsung Galaxy A21s firmware file on desktop to get .md5 file
  • It is time to enter in download mode of your Samsung Galaxy A21s
  • Now, turn off Samsung Galaxy A21s device, press + hold the Volume Down + Home + Power keys all together
  • You have successfully entered in download mode
  • Connect Samsung Galaxy A21s to your PC using a USB cord
  • Run Odin .exe file on your Windows PC
  • Now, you will see Odin ID : COM turned Blue (that means your device is added successfully)
  • Your device is ready to go under flashing process
  • Click on PDA in Odin, browse the extracted firmware folder to select the file with .md5
  • Wait until Odin checks .md5 file is valid (you will get notification about file in message box)
  • Finally, click START button in Odin, and wait until the process is complete (PASS)
  • Restart will be performed automatically
  • Congratulations you got new samsung phone enjoy it now.

If you are trying to flash your Samsung Galaxy A21s device then I would like to suggest you to try using Smartphone flash tool (aka SP Flash Tool). SP flash tool is great flashing tool for Android. This is a best application which mainly help you to flash your smartphone.

You can use this tool to flash almost any MTK (Mediatak IC) based and stock ROM, also custom recovery fixing in some extreme cases like firmware update and download, unbrick bricked android device smartphone. Try flashing any custom ROMs, stock ROMs on your Samsung Galaxy A21s Android smartphone..

SP flash tool is best firmware flashing tool available online whether it is custom ROM or stock ROM. Using SP Flash Tool, you can flash Samsung Galaxy A21s Android device (but make sure to check if it is based on Mediatek IC). Flash any custom or stock ROM over Samsung Galaxy A21s Android device. Also, do make sure that you have installed Samsung Galaxy A21s USB drivers properly on your PC before flashing any firmware file.

Find your Samsung Galaxy A21s USB drivers by using search below:

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You can download SP Flash Tool from our website downloading section. Also you need to download scatter file for your MB based device.

Let me tell you what we can do with SP Flash tool

  • 1. We can flash to android stock Rom
  • 2. Easliy Flash custom ROM
  • 3. Application for fixing bricked or unbrick device
  • 4. Easy to read, write parameters
  • 5. We can erasing, formatting data and reset your MTC based devices

Pre-requisites before flashing Samsung Galaxy A21s:

  • Battery should be charged up to 70%
  • Make sure you have Samsung Galaxy A21s's USB cord available
  • Download and install SP Flash tool in PC
  • Download and install Stock Firmware (Flash File) for your smartphone
  • Since, SP flash tool we need to install MediaTek USB drivers
  • Download Samsung Galaxy A21s firmware file (Scatter file + files to be flashed)
  • Last but not the least, you need to take your device backup (for safety reasons)
  • Once you have all the things ready above, follow the rest of flashing tutorial

Here are the Requirements For SP Flash Tool

  • 1. You have Pc or Laptop
  • 2. You need USB data cable for the device
  • 3. Drivers download (MediaTek USB-VCOM drivers)
  • 4. Download Scatter file and files to be flashed
  • 5. Note Backup the device (forum.hovatek.com/thread-468.html)
  • 6. SP Flash Tool Download

Steps to flashing Samsung Galaxy A21s using SP flash tool

Follow the steps below to flash Samsung Galaxy A21s with SP flash tool:

  • Install SP FLASH TOOL in PC - Step 1
    1
    Download & install spflashtool.exe:

    Download SP flash tool, spflashtool.exe

  • Download flash recovery image Step 2
    2
    Download flash recovery image:

    FLashing is not easy, it take time and patience. To flash Samsung Galaxy A21s, make sure you have flash recovery image ready for your device model.

  • Samsung Galaxy A21s flashing tutorial with SP Flash Tool - Step 3
    3
    Load scatter file:

    Click Scatter Loading (Load Scatter file of Samsung Galaxy A21s).

  • 4
    Uncheck all boxes :

    Now, you should uncheck all boxes from SP flash tool

  • 5
    Load Recovery Image:

    Tick-box, Go to / click RECOVERY box from list and load recovery image of your Samsung Galaxy A21s device (load image from the separate window -->open)

  • 6
    Recovery box must be CHECKED:

    Recovery box is checked before you connect your Samsung Galaxy A21s, in recovery image location (uncheck all other boxes)

  • 7
    Turn off and connect Samsung Galaxy A21s with PC:

    Turn off Samsung Galaxy A21s and connect it with PC

  • 8
    Click Download button:

    After connecting your device with PC, just click download button on top

  • 9
    Step #9, click yes:

    If it ask click “yes”

  • 10
    Conguratulations:

    Congrats! You have successfully flashed your Samsung Galaxy A21s device

Disclaimer: Please follow the flashing tutorials on your own risk.

Conclusion

If SP flash tool prompts green circle, you are done. Samsung Galaxy A21s have been flashed using SP flash tool.

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