Dual SIM is supported by: Nokia Lumia 630 Dual SIM.You must have both SIMs inserted to access the dual SIM call settings.For availability of this service, contact your network service provider.1. On the start screen, swipe down from the top of the screen, and tap ALL SETTINGS > network+.2. Tap set.3. To select how to forward calls between your SIMs, change the setting for Smart Dual SIM.4. Type in the phone numbers for your SIMs, and tap submit.5. Tap additional Dual SIM settings to access the rest of the network settings, such as Dataconnection.Tip: You can pin the dual SIM call settings to the start screen for easy access.Browse your SIM appsIf your service provider has included apps on your SIM card, here's how to find them.1. On the start screen, swipe down from the top of the screen, and tap ALL SETTINGS > mobile+SIM.2. Tap the SIM.3. Tap SIM applications.StoreMake your phone your own with more apps, games, and other items, some of which are free of charge.Browse Store to find the latest content for you and your phone.You can download:• Apps• Games• Entertainment apps and services• News apps and services© 2014 Microsoft Mobile. All rights reserved. 37