Sharp AQUOS Crystal - Manual (Page 354)

Settings 345
Access Settings
1. From home, touch > Settings .
The settings menu opens.
2. Select settings.
Settings are made and applied.
Wi-Fi Calling Settings
By enabling Wi-Fi Calling, you can make or receive calls using Wi-Fi network even where there is no
cellular signal.
Enable Wi-Fi Calling
1. From home, touch > Settings .