You could do a MiTM with a https proxy and look at wireshark to see what it sends.
Surely a professional must have looked into this by now?
Also I don’t see how Google can’t read Signal messages if they have full unstoppable access to everything? If the user can read it, surely Google can too?
Thank you! Location and search history are particularly troubling especially when a user is not even using Google to search. Can Google still see contacts if not using their contacts app?
To be clear I said “using F-Droid for all apps”.