HD915PRO digital audio 5.1 decoder upgrade

Note, please check the model carefully, if there is no need to upgrade to solve the problem, please upgrade yourself.

1. The upgraded firmware model does not correspond, causing a crash, you need to return to the factory to reset the chip with a computer.

2. The upgrade takes about half a minute. If the interruption is easy to cause the chip to be upgraded to half, the CPU will not work and need to be returned to the factory.

HD915PRO factory firmware

Upgrade method:

1. Format the U disk into fat32 format, and confirm that the U disk can correctly identify and read the disk;

2. Copy rootfs.sfs to the root directory of the U disk, insert it into the USB port of the decoder, and then power on again, it will automatically upgrade, about one minute, until the LCD screen displays the information;

3. After the upgrade, you need to delete the rootfs.sfs of the U disk or change the file name, otherwise the upgrade will be performed every time you power on.

Download link:

http://www.aoyint.com/software/HD915PRO/rootfs.sfs