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FBV 3 Update Mode

fbv 3 fbv iii update mode update failed updater

The Line 6 FBV 3 has an update mode. You can use this if your firmware update fails for any reason. Press and hold down Footswitch 1 and the A footswitch and then plug in the USB cable to power on. You'll see the LCD screen say Update Mode. The Line 6 Updater will still see the FBV to allow you to run the update process again.