This forum complements the manuals with a friendly and useful gateway to knowledge and user experience that is not always found in the documentation. Many if not all user questions have been asked and answered in this community.
The answers are sometimes not easy to find but in most cases they can be found (sounds like dumpster diving to me).
Here’s a link to a Singular Sound video on updating the BeatBuddy (BB) firmware BeatBuddy Firmware 4.1.x “Options, lots of options!”