I am not an expert by any means, but we had similar experience when one of the teammates accidentally  clicked on update firmware and then unplugged the brick from the computer. The update then went into a similar loop. I had to take out the battery and restart EV3 and restart firmware update while keeping the laptop plugged to the brick.

Sent from my iPhone

> On Oct 15, 2017, at 10:27 AM, Fly Minds <[log in to unmask]> wrote:
> 
> Hello
> 
> The EV3 brick turns on and shows ‘updating’ but doesn’t change from this screen. (See picture)
> 
> We’ve tried troubleshooting by holding the back, middle and left button to reset to no avail.
> 
> Any other suggestions to troubleshoot this issue are appreciated.
> 
> The screenshot shows what we’ve already tried.
> 
> Thanks in advance 
> 
> Bright Minds
> Team#25137
> 
> -- 
> Yasmeen Neal
> Director, Fly Minds
> www.facebook.com/flyminds2016
> To UNSUBSCRIBE or CHANGE your settings, please visit https://listserv.jmu.edu/archives/vadcfll-l.html and select "Join or leave the list". 
> VADCFLL administrative announcements are sent via VADCFLL-ANNOUNCEMENTS-L. Visit https://listserv.jmu.edu/archives/vadcfll-announcements-l.html to subscribe.

-- To UNSUBSCRIBE or CHANGE your settings, please visit https://listserv.jmu.edu/archives/vadcfll-l.html and select "Join or leave the list".

-- VADCFLL administrative announcements are sent via VADCFLL-ANNOUNCEMENTS-L. Visit https://listserv.jmu.edu/archives/vadcfll-ANNOUNCEMENTS-l.html to subscribe.