Dmhz5350bt Firmware Update Link -
: Download the ZIP file to your PC, extract it, and copy the update file (usually ending in .avh ) directly to the root directory of the USB drive—do not put it inside a folder. Step-by-Step Update Guide
: Download the ZIP file to your PC, extract it, and copy the update file (usually ending in .avh ) directly to the root directory of the USB drive—do not put it inside a folder. Step-by-Step Update Guide
