Earlier on when Cat B15, B15 Q was released
we published a post to show our readers the features, specifications and price
of this most adorable Cat device called B15, B15 Q. As well as how you can
perform a hard or soft reset when your B15, B15 Q 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 Cat B15, B15 Q is supposed to
fix any possible software issue you might be experiencing with your Cat B15,
B15 Q or other similar android devices that the quick fixing guide for issues like camera, Bluetooth, SIM, Wi-Fi, YouTube or other malfunction 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 B15, B15 Q.

Steps on how to flash Cat B15, B15 Q with A Flash Tool:

·        
Download
the stock ROM of Cat B15, B15 Q.

·        
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 Cat B15, B15 Q

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

·        
Stock Firmware flashing can be
applied to either upgrade or downgrade your Cat B15, B15 Q

·        
It can be applied to unroot or
fix bugs on your Cat B15, B15 Q.

·        
To fix stutter or lag on your Cat
B15, B15 Q

·        
Stock firmware flashing is
effective in solving software issues of Cat B15, B15 Q.

·        
Stock firmware flashing can be
applied to revert back to the stock of your Cat B15, B15 Q to gain your
warranty.

Just before you follow the tips below to upgrade or
downgrade your Cat B15, B15 Q. Do a backup of your personal data:

·        
Setup an
auto or carry out a manual backup regularly of your Cat B15, B15 Q
following our guide here with
data or Wi-Fi connection.

·        
You can
also backup
your Cat B15, B15 Q offline – without internet connection following the steps
provided here.

Tips to
Remember:

i.                    
This
update is meant for Cat B15, B15 Q 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 Cat B15, B15 Q
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.