Finally, after a long wait, Microsoft and AT&T have begun pushing out the Windows Phone 7.5 Tango (aka 8773) update for the Samsung Focus 2 handset in the United States. In fact, we’ve seen the Tango update rolling out for the existed Windows Phone 7.5 handsets for quite some time. After applying the update on your Focus 2 handset, the firmware version and radio versions will get bumped up to 222.214.171.124 and 2126.96.36.199. The OS version also bumps up to 7.10.8773.98.
Tango update helps the handset to operate smoothly, and it also brings ability to send ringtones via MMS, more reliable notifications, new wallpapers, other optimization and users will be also able to sens multiple images in MMS. It is also carrying other bug fixes. It may fix "the Internet Sharing bug" which causes normal Wi-Fi connection to stop working.
The Windows Phone 7.8 update is also on track, which is expected to roll out any time in the coming weeks (or days). WP7.8 build brings revamped Start screen, new Tile sizes, new accent colours, Bing lock screen wallpaper, and many more changes.
So, plug in in your Samsung Focus 2 handset on a PC and launch Zune tool and start updating it. The entire process ran about 30 minutes. Let us know if you’ve received any update notifications in the comments.