Samsung Galaxy S4 SGH-M919 T-Mobile User Manual page 122

4g lte smartphone
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Delete a VPN
1. From the main Settings page, tap Connections tab
More networks
VPN.
2. Touch and hold the VPN that you want to delete.
3. Tap Delete network within the pop-up that opens up.
Wi-Fi Calling
You can configure your device to make and receive calls over
an active Wi-Fi connection. Wi-Fi Calling is an excellent
solution for coverage issues in and around the home or
wherever cellular coverage is limited. Minutes used while
connected to the Wi-Fi network count against available rate
plan minutes.
For more information, refer to "Wi-Fi Calling" on page 60.
1. Ensure that the Wi-Fi connected icon
the status bar.
2. From the main Settings page, tap Connections tab
More networks.
3. In a single motion touch and slide the Wi-Fi Calling
slider to the right to turn it on.
256
DRAFT
Internal Use Only
displays on
Wi-Fi Calling Settings
Important! A compatible SIM card must be installed within the
device prior to using this feature. Wi-Fi must first
be active and communicating prior to launching
Wi-Fi Calling.
1. From the main Settings page, tap Connections tab
More networks
Wi-Fi Calling.
2. Tap Connection Preferences and select a preference for
use of the Wi-Fi Calling feature:
• Wi-Fi Preferred: Wi-Fi network is preferred over cellular
network when making calls. Calling requires you to stay in the
Wi-Fi range.
• Cellular Network Preferred: The cellular network is preferred
over a Wi-Fi network when making calls.
• Never use Cellular Network: Use only Wi-Fi for calls. Do not
use Cellular Network, even if available.
3. Tap Help from the main Wi-Fi Calling Settings page to
navigate through either an on-screen tutorial or review
the top 10 Wi-Fi Calling questions.

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