Years later, one of the most annoying issues still stands: with Wi-Fi Calling enabled, iPhone randomly switches to cellular connection during call | MacRumors Forums
![Matthew Miller on Twitter: "Wifi calling on @TMobile on #iOS8Beta3. Screenshot is just the in the phone app's settings. http://t.co/qz8MMZRyaU" / Twitter Matthew Miller on Twitter: "Wifi calling on @TMobile on #iOS8Beta3. Screenshot is just the in the phone app's settings. http://t.co/qz8MMZRyaU" / Twitter](https://pbs.twimg.com/media/Br9pJMzCAAAUkvK.png)
Matthew Miller on Twitter: "Wifi calling on @TMobile on #iOS8Beta3. Screenshot is just the in the phone app's settings. http://t.co/qz8MMZRyaU" / Twitter
![Been getting this Wi-Fi calling error every morning since I got a warranty replacement iPhone X a few weeks ago. Any advice? : r/tmobile Been getting this Wi-Fi calling error every morning since I got a warranty replacement iPhone X a few weeks ago. Any advice? : r/tmobile](https://i.redd.it/stkly6a761y21.jpg)