Lost power during firmware update

#1

Hi, downloaded the update to SD card, inserted SD card and it said updating firmware. The screen then went blank (white) and it never came back. After 20 minutes I unplugged it and now the unit will not start up. Please advise.

New BeatBuddy Firmware (3.2.0 "A New Look!")
#2

Try following the process from this link: Pedal does not power on