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How to Flash Samsung Galaxy A QUANTUM, JS CORE (2020), A21S

Earlier on when Samsung Galaxy A QUANTUM,
JS CORE (2020), A21S was released we published a post to show our readers the
features, specifications and price of this most adorable Samsung device called Galaxy
A QUANTUM, JS CORE (2020), A21S. As well as how you can perform a hard or soft
reset when your Galaxy A QUANTUM, JS CORE (2020), A21S becomes unresponsive or
should you choose to give to someone else with no data in it.



 

Usually, a hardor soft reset with the guide provided for Samsung Galaxy A QUANTUM, JS CORE(2020), A21S is supposed to fix any possible software issue you might be
experiencing with your Samsung Galaxy A QUANTUM, JS CORE (2020), A21S or other
similar android devices that the quick fixing guidefor issues like camera, Bluetooth, SIM, Wi-Fi, YouTube or other malfunctioncould solve. But if you have tried that already and it failed then, you
should probably opt-in for formatting in this case I will show you how to use Android
Flash Tool to format your Galaxy A QUANTUM, JS CORE (2020), A21S.



 

Steps on how to flash Samsung Galaxy A QUANTUM, JS CORE
(2020), A21S with A Flash Tool:

·        
Download
the stock ROM of Samsung Galaxy A QUANTUM, JS CORE (2020), A21S
.

·        
As usual you need to place your
phone on charge till it is charged not less than 50 percent before you process
else you phone might not wake up even after formatting.

·        
Next you will have to follow
the instruction of using a Firmware
Flashing or Upgrade Tool as explained
here.

 

Step
1: You need to download and install Samsung USB drivers 
here.

 

Step 2: You need to
download and install Odin (make sure it’s the latest version) 
here.

 

Step 3: Now you need to
extract the ROM you downloaded for the phone you want to download, you can get
any ROM you want to use here.

 

Step 4: Now please make
sure only Auto Reboot and F. Reset Time is ticked.

 

Step 5: Now you need to
put your phone into download mode by pressing the volume down, Home, Power key
and the volume up button.

 

Step 6: Now on the screen
you will see a yellow triangle to get into odin mode.

 

Step 7: Now connect the
device to the computer, and then Added will be seen showing the device has just
connected successfully.

 

Step 8: Now click on AP
(this is for new version of Odin), or click on PDA (this is for older version
of Odin), but using the new version is recommended.

 

Step 9: Now you need to
navigate to the folder containing the ROM of the device you want to flash.

 

Step 10: Now select the
ROM (Roms name for Samsung always ends with .tar or .md5).

 

Step 11: Now just wait
for Odin to process the ROM and after that click on Start.

 

Step 12: Now the flashing
or upgrading process will begin. Now you will see a green progress bar at the
top left.

 

Step 13: Upgrading or
Flashing may take up to 8 minutes (using a laptop is more preferable because of
electricity shortage).

 

Step 14: Now if you see
Pass at the top of Odin that means you have successfully upgraded or flash your
device.

 

Step 15: Now the device
will reboot, and booting up may take longer time, but if it does not reboot,
switch off the device and do a factory reset.

 

Step 16: For a factory
reset press the volume up, Home, and power button, and you will see factory
reset, scroll down and select yes.

Stock Firmware

·        
Stock Firmware flashing can be
applied to Unbrick your Samsung Galaxy A QUANTUM, JS CORE (2020), A21S

·        
Stock ROM flashing can be
applied to fix Bootloop issues.

·        
Stock Firmware flashing can be
applied to either upgrade or downgrade your Samsung Galaxy A QUANTUM, JS CORE
(2020), A21S

·        
It can be applied to unroot or
fix bugs on your Samsung Galaxy A QUANTUM, JS CORE (2020), A21S.

·        
To fix stutter or lag on your Samsung
Galaxy A QUANTUM, JS CORE (2020), A21S

·        
Stock firmware flashing is
effective in solving software issues of Samsung Galaxy A QUANTUM, JS CORE
(2020), A21S.

·        
Stock firmware flashing can be
applied to revert back to the stock of your Samsung Galaxy A QUANTUM, JS CORE
(2020), A21S to gain your warranty.

 

Just before you follow the tips below to upgrade or
downgrade your Samsung Galaxy A QUANTUM, JS CORE (2020), A21S. Do a backup of
your personal data:

·        
Setup an
auto or carry out a manual backup regularly of your Samsung Galaxy A QUANTUM,
JS CORE (2020), A21S
following our guide here with
data or Wi-Fi connection.

·        
You can
also
backup
your Samsung Galaxy A QUANTUM, JS CORE (2020), A21S offline

without internet connection following the steps provided here.

 

Tips to
Remember:

i.                    
This
update is meant for Samsung Galaxy A QUANTUM, JS CORE (2020), A21S users only.

ii.                  
Be sure
to try the other method of installing stock firmware if
yours have unlocked Bootloader issue.

iii.                 
TWRP
Recovery is a good alternative on how to upgrade your device if you don’t want
to do it the normal way. Here is a post on TWRP
Recovery
.

iv.                
THEUPSPOT
is in no way responsible for any damage you might have on your Samsung Galaxy A
QUANTUM, JS CORE (2020), A21S while installing the update.

v.                  
The usual upgrade steps require the use of PC or Laptop to carry out the firmware
flashing.

vi.                
Ensure
that you have an updated and
working USB drivers installed.

 

To request for download link, simply drop your
email in the comment box below.

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