Don't know yet. I've not had time to tear it apart and am not sure if that's a good idea yet as maybe someone will come up with some way to meddle with the thing without making the old things all junk.

Slingbox says they are cutting their server access to it for any and all remaining workable devices in November 2022.

I guess I should long ago have kept in mind this: the possibility that a device being online and enabled for pushed firmware upgrades with day to day service operations being subject to reliance upon OEM's own servers would come with the risk of this kind of equipment obsolescence.