Emergency calling not possible in “LTE only” mode
Due to current network and technology limitations, this device supports LTE wireless network technology for data communication only – and will fall back to 3G or 2G networks for the duration of any voice call. Certain applications available from any application market may enable you to alter this device’s settings to disable all wireless network technologies other than LTE (also known as “LTE only” mode). HTC and its Affiliates expressly disclaim any liability arising from or in connection with any alternation made by you or any third party from this device’s original settings, including, without limitation, enabling any application from any application market which will lead to the device’s inability to place or receive voice calls (including emergency calls) in any mode. Any alternation of the device settings shall be at your own risk.
If your network service provider supports 4G/LTE for smartphones, you can enjoy the benefits of higher data speeds with your
Windows Phone 8X by HTC.
However, 4G/LTE might not be supported by your network service provider or by the service provider you are using when travelling. In these cases, you may not be able to make or receive calls, send or receive messages or use mobile data connections. To make sure your phone works seamlessly when full 4G/LTE service is not available, it is recommended that you change the highest connection speed from 4G to 3G. To do this, go to Settings, and tap
mobile network. Then tap the
Highest connection speed box and select
For more information, contact your network service provider.
Connect to your mobile operator’s partner networks and access data services even when you’re out of your mobile operator’s coverage area.
To learn more about finding the right app, go to
Add another layer of security by assigning a PIN (personal identification number) to your SIM card.
If you enter the wrong PIN more times than the maximum number of attempts allowed, your SIM card will become “PUK-locked.”
To hang up, tap
In some regions, you can make emergency calls even if you don’t have a SIM card installed or your SIM card has been blocked.
The plus sign (+) shows that you're making an international call (instead of entering the international access number for the country you're in).
You’ll find the following onscreen controls on the Viewfinder screen: