im having problem with default calling app...even after i choose mobile data as the default calling app, its still revert back to facetime audio...its annoying when u cant receive call.
[Re-Titled by Moderator]
Original Title: iPhone iMessage fails to activate after iOS 26 update
Let's just check the setting
Settings, Apps, Default apps, Default calling app, Mobile Service (or cellular in other countries)
In that case we don't know. Contact Apple support https://support.apple.com
The same thing keeps happening to me. I go into settings<apps<default apps, and for calling it says "mobile service", but when I go into settings<apps<phone<default calling app - it says "FaceTime audio". If I switch it to "mobile service" and then leave the app setting and go back in, it has switched it back to "FaceTime Audio".
Why won't it stay on "mobile service?"
On an iPhone, you can place calls using different services—regular cellular, FaceTime Audio, WhatsApp, and so on. The device simply remembers which method you used last for that contact and offers the same option the next time. You can always switch it, but since your previous call was over FaceTime Audio, that’s the option it suggests now.
Done that...when i change to mobile service, it keep revert back to facetime audio..
I don't make phone calls using FaceTime audio. I use cellular, for everyone. So for the global default to show as FaceTime audio is confusing.
This what keep on happening with my phone...the same exact thing happen...default setting is mobile service..but over time, it switched back to facetime audio
Default calling app keeps switching back to FaceTime audio
