I appreciate your advice. Because I know Apple was going to drop support for my 6s plus in 2026 anyway, I ended up buying a refurbished 14 plus and am happy as can be.
I don’t know what phone you have, but I had an iPhone 6s Plus. Everything said it was compatible with VoLTE.i did everything that was recommended to the OP on this thread. Immediately after I completed the “turn off your phone; remove SIM card…” ...
I’m having the same issue.I’ve gone through all settings; reset the network; restarted phone; turned airplane mode, DND & a bunch of other settings off & on.iPhone 6s+app is current