your first pic breaks rule #1
No discussions or mentions about IPTV / OTT services, portal URL's and M3U list's.
if you can't in touch with the person you got mac account from you're SOL as it needs to be reset
you don't have an xc api account
https://stbtalk.com/forum/42-xr4000-xrs4000/
press menu/settings/check updates
there's not newer firmware than wht you currently have but there is newer software