Globalstar is the partner. Apple has seemingly secured 85% of Globalstar's capacity.

SEC filing https://sec.report/Document/0001366868-22-000059/


Starlink (SpaceX) and T-Mobile announced they are going put up satellites next year, but going use the standard cellular bands. So sounds like putting cell towers in space effectively.

https://techcrunch.com/2022/08/25/t-mobi...ting-next-year/