Product and safety informationNetwork services and costsYou can only use your device on the LTE 700 (17), 850 (5), 1700/2100(4), 1900 (2); WCDMA 850 (5), 1700/2100 (4), 1900 (2), 2100 (1); and GSM850 (5), 900 (8), 1800 (3), 1900 (2) MHz networks. You need asubscription with a service provider.Using some features and downloading content require a networkconnection and may result in data costs. You may also need tosubscribe to some features.Important: 4G/LTE might not be supported by your networkservice provider or by the service provider you are using whentraveling. In these cases, you may not be able to make or receive calls,send or receive messages or use mobile data connections. To makesure your phone works seamlessly when full 4G/LTE service is notavailable, it is recommended that you change the highest connectionspeed from 4G to 3G. To do this, swipe left on the start screen, andtap Settings > cellular. Switch Highest connection speed to 3G.For more info, contact your network service provider.Make an emergency call1. Make sure the phone is switched on.2. Check for adequate signal strength.You may also need to do the following:• Put a SIM card in the device, if supported by your device.• Switch off the restrictions in your phone, such as call restriction,fixed dialing, or closed user group.• Make sure airplane mode is not switched on.• If the phone screen and keys are locked, unlock them.3. Press .4. Select .5. Select .6. Enter the official emergency number for your present location.Emergency call numbers vary by location.7. Select call.8. Give the necessary info as accurately as possible. Do not end thecall until given permission to do so.When you switch your phone on for the first time, you are asked tocreate your Microsoft account and set up your phone. To make anemergency call during the account and phone setup, tap emergencycall.Important: Activate both cellular and internet calls, if your phonesupports internet calls. The phone may attempt to make emergencycalls both through cellular networks and through your internet callservice provider. Connections in all conditions cannot be guaranteed.16