Use a USB stick with FAT32 format
Unpack your image ZIP file to the USB stick
You should see a "zgemma" folder in the root of the USB stick.
Power off the receiver
Plug the USB stick to one of the back panel USB ports. Recommended to remove all other USB connected devices.
Power the receiver on whilst holding down the REAR RESET BUTTON
Once the front Air Digital display logo start to flash White/Red, release the rear reset button and wait, your receiver is now being flashed.
If successful, the receiver will reboot it self after the flashing process has completed.
Remove USB stick