: For 2GB RAM/32GB ROM versions, files are often linked in descriptions of technical walkthrough videos 3. Update Procedure (USB Method) Format Drive : Use a blank USB flash drive formatted to Copy Files : Place the firmware files (usually a and a metadata file) directly in the root directory —do not put them in a folder. Initiate Update Plug the USB into the unit's port (sometimes USB 1 does not work for updates). Settings > System > System Upgrade and select "USB".
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