The Ultimate Guide to Updating Your DMHZ5350BT Firmware: A Step-by-Step Approach
File Placement: After downloading the .zip file from the link above, extract it and copy the update file (usually ending in .avc or similar) directly to the root directory of the USB drive. Do not put it in a folder. 2. Connect and Initiate dmhz5350bt firmware update link
Check Current Version: Navigate to Settings > System Information > Firmware Information to see your current version. The Ultimate Guide to Updating Your DMHZ5350BT Firmware:
Scroll down to System Information and select Firmware Information. dmhz5350bt firmware update link