Sony Xperia 1

Sony Xperia 1

Android 9.0

I can't use Wi-Fi calling on my Sony Xperia 1 Android 9.0

Cause 1 of 3: Your phone needs to be restarted

If you can't use Wi-Fi calling, it may help restarting your phone.

Solution: Restart your phone.

Step 1 of 2

Restart your phone

Press and hold On/Off.

Step 2 of 2

Restart your phone

Simultaneously, press and hold the upper part of the Volume key and keep them both pressed until your phone restarts.

1 Restart your phone

Press and hold On/Off.
Simultaneously, press and hold the upper part of the Volume key and keep them both pressed until your phone restarts.