Download the bootloader ini-3000 / ini-5000 / ini-7000.
Download ini-7000 Unibox HD3
Unzip the downloaded file then ini-3000 / ini-5000 / ini-7000 folder will appear.
Copy that folder into the USB drive.
Insert USB drive into USB sockets on the rear panel.
Power Off and On through the power switch on the rear panel of the box.
The upgrade process starts automatically. The upgrade process can be seen in the VFD display.
If the upgrade process is successful, you can see on the VFD display the message; `Complete....`
Now you can disconnect the USB drive from the device and restart the device.
