Forum Discussion
Will unlocked phones work with T-Mobile Wifi calling ?
If I purchase an unlocked phone, for example an S22 Ultra unlocked version, will I be able to make Wifi calls on T-Mobile ? This is assuming I use a T-Mobile SIM with it, or eSIM, of course. The rea...
syaoran wrote:madbrain76 wrote:syaoran wrote:The T-Mobile U will.obviously support T-Mobile's WiFi Calling. The U1 is the non-carrier model that is sold unlocked directly from Samsung.
Thank you. I guess that means the S22 Ultra sold by Google would be the U version and wouldn't work, then. Sigh.
Google Fi uses the T-Mobile network primarily. If you feel comfortable doing it ing so and if the device is SIM unlocked. The U's can be converted to U1 models via a firmware cross-flash. XDA Developers is your best place to figure out if you are comfortable with that.
Thanks. I'll take that into consideration. Seems a bit of pain to have to do that. I wonder why the T-mobile Wifi calling would work on some versions of the phone and not others. Is there a technical reason ? You need a T-Mobile SIM/eSIM in all cases anyway.
