I don’t think that (mini Pro/Hi Pro) users will be out of luck anytime soon due to the fact that they ain’t fast enough. imo> a CYA statement like that from the manufacturer was likely meant to coax their professional users to seek higher speeds as opposed to dwelling on (or complaining about) the ridiculously long Firmware update time of 30 minutes.
Cable Plugin Tip: If you have eagle eyes , there is an alignment dot along with a corresponding grove on the plugin cylinder that allows it to be connected only with the proper alignment. Look for a red colored matching mark on the hearing aid and align the two: