Earlier on when Celkon Monalisa 5, C7045,
A15, AR45, AR40, AR50, A40, S1, C720, C820 was released we published a post to
show our readers the features, specifications and price of this most adorable Celkon
device called Monalisa 5, C7045, A15, AR45, AR40, AR50, A40, S1, C720, C820. As
well as how you can perform a hard or soft reset when your Monalisa 5, C7045,
A15, AR45, AR40, AR50, A40, S1, C720, C820 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 Celkon Monalisa 5, C7045, A15, AR45, AR40, AR50, A40, S1, C720, C820 is supposed to fix any possible software
issue you might be experiencing with your Celkon Monalisa 5, C7045, A15, AR45,
AR40, AR50, A40, S1, C720, C820 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 Monalisa 5, C7045, A15, AR45, AR40, AR50, A40, S1, C720, C820.

Steps on how to flash Celkon Monalisa 5, C7045, A15, AR45,
AR40, AR50, A40, S1, C720, C820 with A Flash Tool:

·        
Download
the stock ROM of Celkon Monalisa 5, C7045, A15, AR45, AR40, AR50, A40, S1,
C720, C820.

·        
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 Celkon Monalisa 5, C7045, A15, AR45, AR40, AR50, A40,
S1, C720, C820

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

·        
Stock Firmware flashing can be
applied to either upgrade or downgrade your Celkon Monalisa 5, C7045, A15,
AR45, AR40, AR50, A40, S1, C720, C820

·        
It can be applied to unroot or
fix bugs on your Celkon Monalisa 5, C7045, A15, AR45, AR40, AR50, A40, S1,
C720, C820.

·        
To fix stutter or lag on your Celkon
Monalisa 5, C7045, A15, AR45, AR40, AR50, A40, S1, C720, C820

·        
Stock firmware flashing is
effective in solving software issues of Celkon Monalisa 5, C7045, A15, AR45,
AR40, AR50, A40, S1, C720, C820.

·        
Stock firmware flashing can be
applied to revert back to the stock of your Celkon Monalisa 5, C7045, A15,
AR45, AR40, AR50, A40, S1, C720, C820 to gain your warranty.

Just before you follow the tips below to upgrade or
downgrade your Celkon Monalisa 5, C7045, A15, AR45, AR40, AR50, A40, S1, C720,
C820. Do a backup of your personal data:

·        
Setup an
auto or carry out a manual backup regularly of your Celkon Monalisa 5, C7045,
A15, AR45, AR40, AR50, A40, S1, C720, C820
following our guide here with
data or Wi-Fi connection.

·        
You can
also backup
your Celkon Monalisa 5, C7045, A15, AR45, AR40, AR50, A40, S1, C720, C820
offline – without internet connection following the steps
provided here.

Tips to
Remember:

i.                    
This
update is meant for Celkon Monalisa 5, C7045, A15, AR45, AR40, AR50, A40, S1,
C720, C820 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 Celkon Monalisa
5, C7045, A15, AR45, AR40, AR50, A40, S1, C720, C820 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.