Plans to update the Nokia Lumia 900 with Windows Phone 7.8 have been slow-going, to say the least. Today, however, marks the beginning of a new life for the aging handset, as it welcomes a much-anticipated 7.8 refresh. Naturally, this means the former flagship is getting an injection of new features and improvements -- namely, that revamped Start screen with flexible tiles. Users will also enjoy various enhancements to the lock screen, including the option to use Bing's image of the day as a wallpaper. Rounding out the list are various other under-the-hood tweaks to make the experience smoother and help close the gap with current smartphone powerhouses. The good news is that it's here now, and can be all yours by following the step-by-steps at the More Coverage link below.