Yesterday, Nokia announced the global roll-out of long-awaited Windows Phone 7.8 firmware update for its first generation Lumia devices. Well, here is quick video preview of official WP7.8 update on Nokia Lumia 900 smartphone.

Changelog Spotted:

• New Boot screen to match Windows Phone 8 (seen above)
• New tiles sizes
• Tiles now take up full width of the screen (like WP8)
• “Applications Arrow” moved to the bottom of the start screen
• New accent colors
• New accent color picker
• New Animations when switching between recent apps, and when choosing accent color (Visible at 3:02 in the video)
• Lock screen settings changed; now allows setting Bing Daily wallpaper as lock image (Updates automatically)
• Under the hood speed improvements (Whatsapp which used to take 10 seconds to fully loads now loads a lot quicker)
• New Office icon to match WP8 and Office ’13
• You can now set the default search engine for the browser as Google. (Thanks for the tip Caz)
• Changed display of number of notifications on pinned live tiles (used to be small black circle, now it uses a transparent square)

[Via MNB]