Read these simple guidelines. Not following them may be dangerous or
against local laws and regulations. For further information, read the
complete user guide.
TURN OFF IN RESTRICTED AREAS
Turn the device off when mobile phone use is not allowed or when
it may cause interference or danger, for example, in aircraft, in
hospitals or near medical equipment, fuel, chemicals, or blasting areas.
Obey all instructions in restricted areas.
ROAD SAFETY COMES FIRST
Obey all local laws. Always keep your hands free to operate the
vehicle while driving. Your first consideration while driving should
be road safety.
INTERFERENCE
All wireless devices may be susceptible to interference, which
could affect performance.
QUALIFIED SERVICE
Only qualified personnel may install or repair this p roduct.
BATTERIES, CHARGERS, AND OTHER ACCESSORIES
Use only batteries, chargers, and other accessories approved by
Microsoft Mobile for use with this device. Third-party chargers
that comply with the applicable USB requirements, and that can connect
to your device USB connector, may be compatible. Do not conn ect
incompatible products.
KEEP YOUR DEVICE DRY
Your device is not water-resistant. Keep it dry.
GLASS PARTS
The device screen is made of glass. This glass can break if the
device is dropped on a hard surface or receives a substantial
impact. If the glass breaks, do not touch the glass parts of the device or
attempt to remove the broken glass from the device. St op using the
device until the glass is replaced by qualified service personnel.
PROTECT YOUR HEARING
To prevent possible hearing damage, do not listen at high volume
levels for long periods. Exercise caution when holding your device
near your ear while the speakerphone is in use.
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SAR
This device meets RF exposure guidelines when used either in the
normal use position against the ear or when positioned at least
5/8 inch (1.5 centimeters) away from the body. The specific maximum
SAR values can be found in the Certification Information (SAR) sec tion
of this user guide. For more information, go to www.sar-tick .com.
When a carry case, belt clip or other form of d evice holder is used for
body-worn operation, it should not contain metal and should provide at
least the above-stated separation distance from the body. Note that
mobile devices may be transmitting even if you are not m aking a voice
call.
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Antenna locations
Learn where the antennas are located on your
phone to get the best possible performance.
Avoid touching the antenna area while the antenna
is in use. Contact with antennas affects the
communication quality and may reduce battery life
due to higher power level during operation.
The antenna areas are highlighted.
Troubleshooting and support
When you want to learn more about your phone, or
if you're unsure how your phone should work, there
are several support channels for you to check.
To help you get the most out of your phone, you
can explore www.microsoft.com/mobile/support.
There you can find:
• Full-length user guides
• Troubleshooting info
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• Discussions
• News on apps and downloads
• Software update info
• Further details about features and technologies,
and the compatibility of devices and accessories
Troubleshooting and discussions may not be
available in all languages.
For support videos, go to www.youtube.com/lumiasupport.
For questions regarding your plans, billing, or
network, please contact your operator. For
questions regarding your product and warranty,
please visit the support pages for your country at
www.microsoft.com/mobile/support.
AT&T provides detailed support info, including
device specifications, troubleshooting, and user
forums, at www.att.com/DeviceSupport.
If your phone doesn’t respond
Try the following:
• Press and hold the volume down key and power
key at the same time for about 10 seconds. The
phone restarts.
• Take the battery out for a few seconds. Put the
battery back in, and switch your phone on again.
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 >
System > About > Reset your phone.
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If your issue remains unsolved, contact your
network service provider or the manufacturer 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#. You can also find the IMEI number in
the phone body. For details, see the product
and safety information section in the online
user guide.
Feature-specific information
Important: Your device uses a nano-SIM card, also kno wn as a
nano-UICC SIM card. Use only original nano-SIM cards. Use of
incompatible SIM cards 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.
Do not connect to products that create an output s ignal, as this may
damage the device. Do not connect any voltage source to the audio
connector. If you connect an external device or headset, other than those
approved for use with this device, to the audio connector, pay special
attention to volume levels.
You can send text messages that are longer than the character limit for
a single message. Longer messages are sent as two or more messages.
Your service provider may charge accordingly. Characters with accents,
other marks, or some language options, take more space, and limit the
number of characters that can be sent in a single message.
Note: Using Wi-Fi may be restricted in some countries. For
example, in the EU, you are only allowed to use 5150–5350 MHz
Wi-Fi indoors, and in the USA and Canada, you are only allowed
to use 5.15–5.25 GHz Wi-Fi indoors. For more information,
contact your local authorities.
Airplane mode closes connections to the mobile network and turns your
device's wireless features off. If supported by your device, the NFC
payment and ticketing feature of the device may remain active. Comply
with the instructions and safety requirements given by, for example, an
airline, and any applicable laws and regulations. Where allowed, you can
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connect to a Wi-Fi network to, for example, browse the internet or turn
Bluetooth on in airplane mode.
Contents of digital maps may sometimes be inaccurate and incomplete.
Never rely solely on the content or the service for essential
communications, such as in emergencies.
Important: Before sharing your location, consider carefully with
whom you are sharing. Check the privacy settings of the social
networking service you are using, as you might share your
location with a large group of people.
The availability, accuracy and completeness of the location information
depend on, for example, your location, surroundings, and third party
sources, and may be limited. Location informa tion may not be available,
for example, inside buildings or underground. For privacy information
related to positioning methods, see the Microsoft Privacy Statem ent.
Keep a safe distance when using the flash. Do not use the flash on people
or animals at close range. Do not cover the flash while taking a photo.
Find your model number and serial
number (IMEI)
If you need to contact your care point or your service p rovider, you may
need info such as the model number and the serial number (IMEI). To
see the info, tap
You can also find the info on your phone label, which is located under
the back cover.
The IMEI is also visible on the original sales box .
Settings > System > About > More info.
Product and safety info
Network services and costs
You can only use your device on the LTE TDD 2500-2700 (41); LTE FDD
700 (12), 700 (13), 700 (29), 800 (20), 850 (5), 900 (8), 1700/2100 (4), 1800
(3), 1900 (2), 2100 (1), 2300 (30), 2600 (7); WCDMA 850, 900, 1700/2100,
1900, 2100; GSM 850, 900, 1800, 1900 MHz networks. You need a
subscription with a service provider.
Using some features and services, or downloading conten t, including
free items, require a network connection. This may cause the transfer of
large amounts of data, which may result in data costs. You may also need
to subscribe to some features.
At the request of your network service provider, your device may collect
and report Customer Proprietary Network Information, which may
include information such as: technical configuration, type, destination,
location, and amount of use of any telecommunicati ons services to which
you are subscribed. Please see our Privacy Page at www.microsoft.com/mobile/privacypolicy, or contact your network service provider for
more information.
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