Getting started
Basic use
Calls and contacts
Messaging
Apps and media
Connectivity
Specifications
Cause 2 of 4: Your phone's software hasn't been updated to the latest version
If you can't use Wi-Fi calling, you may need to update the phone software to the latest version.
Solution: Update your phone with the latest software.
Update phone software
Press Settings.
Press General.
Press Software Update. If a new software version is available, it's displayed. Follow the instructions on the screen to update the phone software.
Or select...
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