New Features in Windows Phone 8.1

For Users

• Customize Start screen: Customize your Start screen background with a favourite picture or one of the supplied options. Users can configure three column start screen which is available on all phones. Start screen backup and restore feature is also available.

• PERSONAL Digital Assistant CORTANA: CORTANA learns about you and your interests Enables CORTANA to be proactive and helpful throughout the day

• Action center to quick launch settings and view notifications

• Fast typing with new Word Flow keyboard

• Buy app once: use on PC and on Phone

• App data can roam among devices

• App data backup

• Faster app updates

• Remote viewing of Phone screen

• Install apps to SD card

• New Skype app integrated with Phone dialer

• New Calendar app with new Week view

For Developers

• Converged developer platform
• Converged app model
• Shared app identities + entitlement
• Unified push services (via WNS)
• Live tile improvements
• Action Center for smart notifications
• Internet Explorer 11 improvements
• Background execution + triggers
• Bluetooth-LE support for wearables + beacons