Acer has quietly unveiled its first Windows Phone Mango running handset, the Allegro. This mid-range handset sports a 1GHz Qualcomm processor, and sports a 3.6-inch screen.

Nokia also announced a mid-range WP7.5 Mango powered handset, the Lumia 710. The handset sports a 3.7-inch ClearBlack display with WVGA resolution.

Nokia has just announced its highly anticipated WP7.5 powered handset, the Lumia 800. Sadly, the handset is just a run-of-the-mill handset running Windows Phone Mango.

Microsoft has finally started rolling out the WP7.5 Mango update for existing WP7 handsets. Sadly, HTC HD7S and Dell Venue Pro owners need to wait for some more time.

Along with the Focus S, Samsung and AT&T also announced the Focus Flash. AT&T also mentioned that its current gen of WP7 handsets will get the WP7.5 Mango update in fall, this year.

The Samsung Focus has got a mild upgrade in the form of the Focus S, with a faster 1.4GHz CPU, better GPU and a higher resolution camera.

HTC just announced the Radar at their on-going event in London. The handset comes with a 3.8-inch S-LCD screen with WVGA resolution.

HTC have just announced a gigantic Windows Phone Mango running handset, the Titan. The handset sports a mammoth 4.7-inch screen with WVGA resolution.