Latest update hanging

The latest update install is hanging for me. It’s been stuck at this screen for 10 minutes already.

Do I have to do the routine where I open the side and separate the cables?

It’s not the first time I’ve run an update / I know the steps… But it just doesn’t seem to be working.

(I added the file to my SD card / not doing the USB route…)

Thanks for any help!

Fixed it. I took the “change the extention to.upf” route.

Power off
Card out
Card into Mac
Change extension to .upf
Card out of Mac
Card into S2400
Power on
… about 60 seconds later… splash to homescreen with current firmware inftel.