(1) For the European company that uses the Tesla brand, see
Tesla phone.
(2) A rumored smartphone from Tesla. Although there are videos online showing a phone with a Tesla logo, Tesla has made no such announcement. Rumors claim free worldwide communications using the Starlink satellite network, which has cellular capability. The Pi phone supposedly uses its own OS and also communicates with Tesla vehicles. Stay tuned! See
Tesla,
Starlink and
Tesla Network.