xbox one s console update may2021

Im sorry, Support for OneGuide ended in May2021

https://support.xbox.com/en-US/help/hardware-network/oneguide-live-tv/over-the-air-tv

If they are console updates then yes, the Xbox One & One S is essentially the same console.

Excerpt fom System update solution

The original Xbox One console may require an extra update, depending on which version of the operating system it is currently running. See the
Original Xbox One console only section below for help updating
that console offline. For the Xbox One X, Xbox One S,
and Xbox One S All-Digital Edition consoles, see the
All other Xbox One consoles section below.

Make sure your using the correct section for your type of XBOX.

Hi,

Yes the Xbox One X works the same as the Xbox One and Xbox One S, update wise for games and console updates.

While it is advised to connect the console to the internet, you should be able to go offline as mentioned on the support page that Smwutches
posted : https://support.xbox.com/en-US/xbox-one/networking/using-xbox-one-offline

This is the same for any Xbox One console, so regular, S and X

Yes, it is likely that your Xbox One will not be compatible with the new Forza Motorsport dashboard update or with game updates in general, as Microsoft is focused on the new generation of consoles, the Xbox Series X and S. The Xbox One is no longer being updated and Microsoft has already announced that it will end support for the Xbox One, but has not yet said when.

Elaboration:

Xbox One at the end of its cycle:

Microsoft is increasingly focused on the new generation of consoles (Xbox Series X and S) and, therefore, support and updates for the Xbox One are being reduced.

New dashboard update:

It is likely that the new Forza Motorsport dashboard update, or other game updates, will not be compatible with the Xbox One.

Focus on the next generation:

Microsoft has already announced that it will end support for the Xbox One, and its attention is directed to the Xbox Series X and S, the most recent generation.

System updates:

Your Xbox One may no longer be receiving system updates, or the updates you do receive are only to ensure the security of your console.