AT&T provides detailed support info, including
device specifications, troubleshooting, and user
forums, at www.att.com/DeviceSupport.
If your phone freezes
Try the following:
• Press and hold the volume down key and power
key at the same time for about 10 seconds. The
phone restarts.
If your phone freezes frequently, update your
phone software, or reset your phone. Resetting
restores the factory settings, and erases all your
personal content, including apps you've
purchased and downloaded. On the start screen,
swipe down from the top of the screen, and tap
ALL SETTINGS > about > reset your phone.
If your issue remains unsolved, contact your
network service provider or Microsoft Mobile for
repair options. Before sending your phone for
repair, always back up your data, as all personal
data in your phone may be deleted.
Tip: If you need to identify your phone, to
view the unique IMEI number of the phone,
dial *#06#.
Feature-specific information
Using services or downloading content, including free items, may
cause the transfer of large amounts of data, which may result in data
costs.
Important: Your device uses a nano-SIM card, also known as
a nano-UICC card. Use of incompatible SIM cards, or use of
SIM card adapters, may damage the card or the device, and
may corrupt data stored on the card.
Use only compatible memory cards approved for use with this device.
Incompatible cards may damage the card and the device and corrupt
data stored on the card.
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