There are two primary ways to update this specific hardware family: 1. The USB Flash Drive Method (Recommended)
If the device freezes on the logo or stays on a specific frequency, it indicates a corrupted flash. You will need to utilize the RS-232 cable method described above to force-restore a factory-default software image. Upgrade Iclass A9a9 Pvr Hdmi
Ensure your USB flash drive is formatted to the FAT32 file system. There are two primary ways to update this