For Assistance 139
Network services and costs
You can only use your device on the LTE TDD 2500 (41); LTE 850 (26), 1900 (25); WCDMA 850, 1900,
2100; CDMA BC0, BC1, BC10; and GSM 850, 900, 1800, 1900 MHz networks. You need a subscription
with a service provider.
Using some features and downloading content require a network connection and 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 telecommunications 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 info.
Important:
4G/LTE might not be supported by your network service provider or by the service provider you are
using when traveling. 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 device 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, swipe left on the start screen, and tap Settings > cellular+SIM. Switch
Highest connection speed to 3G.
For more info, contact your network service provider.
Make an emergency call
Learn how to make an emergency call.
Important:
Connections in all conditions cannot be guaranteed. Never rely solely on any wireless phone for
essential communications like medical emergencies.
Before making the call:
● Switch the phone on.
● If the phone screen and keys are locked, unlock them.
● Move to a place with adequate signal strength.
1. Press , and tap > .
2. Enter the official emergency number for your present location. Emergency call numbers vary by
location.
3. Tap call.
4. Give the necessary info as accurately as possible. Do not end the call until given permission to do
so.
To Next Page
Loading...
Need help?
General
