Nokia has just announced over its official blog, that they have started rolling out the long-awaited Windows Phone 7.8 firmware update for first generation Nokia Lumia devices - Nokia Lumia 510, 610, 710, 800 and 900.
Windows Phone 7.8 Changelog:
New Start screen with resizeable tiles
New boot screen with updated WIndows Phone logo
Contact Share, Media transfer via Bluetooth
New Accent colors, matching Windows Phone 8, bringing the total to 20
Bing Wallpaper of the day, which will auto-update your lockscreen image.
Pocket and child Lock screen security
support for new languages
IE9 (not IE10 like WP8) with enhanced features
The Windows Phone 7.8 update is now rolling out for Nokia Lumia smartphones through February. Delivery of the update is operator dependent, meaning you will receive a notification in the coming weeks if you have an unlocked phone or if your operator has approved the update. If you don’t receive the update notification within the next three weeks, please contact your operator for more information.