I've just used "Settings>Web Upgrade" to bring my B2 to "Software Version B2B Jan 28 2020 11:48:02", or as it says on
https://www.brennan.co.uk/itemcontent.php/content/latestSoftware29th January 2020
1) Import video files (mov and mp4) from USB on BB1 - through the Browse USB menu
2) Rename videos - three dots in search results
3) Fix truncation of Youtubes on B2
What is odd, is that I can't update using USB C "Settings>Maintenance>SW Upgrade"; since updating SD card to "B2B".
SD cards - I've used two, both operate correctly.
USB devices - I've used four, all mount correctly and B2 writes to them, e.g. b2db and B2AlbumList.txt
The SD card has on board a 3.7Mb "B2B.tar" zip file, whereas "b2.tar.gz" download is 1.2Mb, so I suspect that something on the USB needs to be renamed or otherwise changed.
Steve