How to update Solitaire smart board G-Series Unit Black-Grey 6780G firmware software?

How to update Solitaire smart board G-Series Unit Black-Grey 6780G firmware software?

Firmware Upgrade Instructions for G-Series Sample Unit Black-Grey 6780G Firmware Android14.zip
Step 1:
Download the firmware using the link provided.

Step 2:
Use a 32 GB USB 2.0 pen drive.
Before use, format the pen drive to FAT32.

Step 3:
Unzip the downloaded firmware folder.
Copy only the firmware file inside the folder and paste it directly onto the pen drive (not in any sub-folder).

Step 4:
Insert the pen drive into the USB 2.0 port located at the back of the panel.

Step 5:
Turn off the power supply to the panel from the main electricity source.

Step 6:
Press and hold the panel power button, then switch on the power from the electricity board.
The firmware upgrade will begin — indicated by the blinking power button on the panel.
Once the blinking starts, release the panel power button.

The firmware upgrade process will take a few minutes.
Once completed, the panel will automatically restart