StUCK ON FIRMWARE UPGRADE
Soundbar LED Display: NO FW or stuck on UPG--
In rare instances, the soundbar will be stuck in in UPG when upgrading firmware.
If the soundbar displays UPG-- more than 30 seconds,
Unplug the USB from the back of the soundbar.
The soundbar will display FAIL and reboot.
Reinsert the USB drive, switch the soundbar to USB mode and perform the upgrade again.
If the soundbar is stuck in UPG-- even after rebooting, it means that the USB drive is not compatible.
Power off the soundbar by unplugging the power cord.
Insert a compatible drive with the correct firmware, power on the soundbar and the upgrade should start automatically.
If you need a USB drive with preloaded firmware, please contact firstname.lastname@example.org
For other information, visit the firmware pages for the following models: