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Why my soundbar cannot upgrade firmware?
Soundbar LED Display: NO FW or stuck on UPG--
This means that USB drive is not compatible with the soundbar’s USB drive. Please try again with a different brand of USB drive, preferably a drive that is not older than 5 years old.
Be sure that USB drive is formatted to FAT 32
Click HERE for instructions on how to format the USB drive
Click HERE for preparing the firmware upgrade USD drive on an mac computer
Note: DO NOT use the zipped file for firmware upgrade. The downloaded file needs to be unzipped first, before being uploaded into a USB drive for firmware installation. After unzipping the downloaded file, the file will be in .BIN format.
Click HERE for instructions on unzipping the folder.