After 2 days of search I finally was able to make use of the Gear 360 on my Note 20 Ultra even with last Android updates from august 2022.
As I could not reply on any existing threads related to this big issue, I created a new thread just to share the info.
By the way, I could not use the Gear360 eiher on MacOS Monterey (official app crashes at startup) or Windows Cloud Edition (could not activate because Azure admin accounts are not supported).
Solution for Android phone was to uninstall the official app and install the moded app from XDA developers web site. This is an older version and it still works on Note 20 Ultra, except that imported photos cannot be seen in app's own galery (need to use samsung galery app or another app to view locally saved and already stitched photos).
Looks like I can still keep the Gear360 and not throw it because Samsung does not offer any support for it and it doesn´t work on anything I currently use.
I have the gear 360 that I could not get to work on my s20 ultra so now I know where to look for the older version that works.
I don't know why samsung abandoned support for it.
How to connect with S20 no success until now but i had added to my LG G7 ThinQ
What's the name of app in XDA developers web site. How to find it? Thanks.
The Samsung Gear 360 App can be found by following the link below.
Note, it is likely your installation will hang when installing the Samsung Accessory Service. You will probably need to install this manually. A link for this can be found below too.
Samsung Gear 360 App at XDA Developers
Samsung Accessory Service