Format the USB drive to FAT32 on your PC,
Transfer the Firmware that you want to install on your Box to the USB drive,
Power off the GigaBlue Trio 4K on the switch at the back of the Box,
Connect the update stick to the front USB port!
Press and hold the standby button in the front of the box!
Switch the mains switch on to the back!
If the update stick is recognized correctly, “UPDT” appears in the display, now release the standby button!
A menu appears on the TV screen, select “Recovery from USB” with the remote control and confirm with OK!
the box flashes automatically, then reboots automatically, the initial setup wizard appears
The update stick can now be removed and it´s done!