Earlier on when Verykool S401, s352, s351,
s505, s450 was released we published a post to show our readers the features,
specifications and price of this most adorable Verykool device called S401,
s352, s351, s505, s450. As well as how you can perform a hard or soft reset
when your S401, s352, s351, s505, s450 becomes unresponsive or should you
choose to give to someone else with no data in it.

Usually, a hard or soft reset with the guide provided for Verykool S401, s352, s351, s505, s450
is supposed to fix any possible software issue you might be experiencing
with your Verykool S401, s352, s351, s505, s450 or other similar android
devices that the quick fixing guide for issues like camera, Bluetooth, SIM, Wi-Fi, YouTube or other malfunctions could 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 S401, s352, s351, s505, s450.

Steps on how to flash Verykool S401, s352, s351, s505,
s450 with A Flash Tool:

·        
Download
the stock ROM of Verykool S401, s352, s351, s505, s450.

·        
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 explainedhere.

Stock Firmware

·        
Stock Firmware flashing can be
applied to Unbrick your Verykool S401, s352, s351, s505, s450

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

·        
Stock Firmware flashing can be
applied to either upgrade or downgrade your Verykool S401, s352, s351, s505,
s450

·        
It can be applied to unroot or
fix bugs on your Verykool S401, s352, s351, s505, s450.

·        
To fix stutter or lag on your Verykool
S401, s352, s351, s505, s450

·        
Stock firmware flashing is
effective in solving software issues of Verykool S401, s352, s351, s505, s450.

·        
Stock firmware flashing can be
applied to revert back to the stock of your Verykool S401, s352, s351, s505,
s450 to gain your warranty.

Just before you follow the tips below to upgrade or
downgrade your Verykool S401, s352, s351, s505, s450. Do a backup of your
personal data:

·        
Setup an
auto or carry out a manual backup regularly of your Verykool S401, s352, s351,
s505, s450 following our guide here with
data or Wi-Fi connection.

·        
You can
also backup
your Verykool S401, s352, s351, s505, s450 offline –
without internet connection following the steps provided here.

Tips to
Remember:

i.                    
This
update is meant for Verykool S401, s352, s351, s505, s450 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 Verykool S401,
s352, s351, s505, s450 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.