Yes, WiFi offload uses the Hotspot 2.0 spec with mutual authentication (EAP-AKA or EAP-SIM typically). Both the phone and the WiFi network will mutually authent

Yes, WiFi offload uses the Hotspot 2.0 spec with mutual authentication (EAP-AKA or EAP-SIM typically). Both the phone and the WiFi network will mutually authenticate with the carrier’s Authentication Server.