I have the same issue. Unable to send SMS via Wi-Fi calling using an
iPhone 13 Pro. Took a while to figure out that's why I couldn't send sms
(three phone calls with tech support didn't even realise that could be
the issue) - just got off phone with ...
Ok ... So a big thank you to those advising to remove TU Go. Once I
deleted the account, removed the App and reset the phone it appears that
iMessage and Face Time have instantly activated.I am not sure the issue
is fully resolved - although I am sen...
I am also having this issue. iPhone 5 upgraded to iOS7 yesterday.Was
advised of an update to carrier settings which I accepted. I am
showingcarrier "O2 15.1" and Modem 5.00.01.My phone has so far failed to
activate iMessage and Face Time. I have foll...