I don't think the frequencies these satellite ISPs are using is conducive to directly interacting with a phone. The antenna/receiver unit for Starlink will be t

I don't think the frequencies these satellite ISPs are using is conducive to directly interacting with a phone. The antenna/receiver unit for Starlink will be the size of a pizza box according to SpaceX. Physics limits how much you can shrink the antenna (due to the wavelength).