Image Gallery: Hands-on with the Windows Phone 7 smartphone collection
![rachel-king-640x465.jpg](https://www.zdnet.com/a/img/resize/95bce264abe9f08543002fcbeef4cdafae2c850c/2013/01/05/839f42c4-1175-11e4-9732-00505685119a/rachel-king-640x465.jpg?auto=webp&fit=crop&frame=1&height=192&width=192)
![474020.jpg](https://www.zdnet.com/a/img/resize/b4d40458d69b7a06397b2d02cd67c64d4bc8ac5d/2014/08/28/a2c90212-2e7b-11e4-9e6a-00505685119a/474020.jpg?auto=webp&width=1280)
Microsoft has taken a stand in the cell phone market with the official unveiling of the awaited Windows Phone 7 operating system. Nine devices have been announced for the mobile OS so far, with three headed to the United States and the rest to be made available abroad. Here's a hands-on look at eight of them.
Dell Venue Pro. Availability: Before the holiday season with T-Mobile.
LG Optimus 7Q. Availability: International, 2011.
HTC Mozart. Availability: International, 2011.
LG Quantum, the only Windows Phone 7-enabled device with a slide-out QWERTY keyboard. Availability: November on AT&T for $199 on contract.
The HTC HD7 sports a 4.3-inch display and runs on a a Qualcomm 1GHz Snapdragon processor. Availability: Mid-November on T-Mobile for $199 on contract.
The HTC HD7 sports a 4.3-inch display and runs on a Qualcomm 1GHz Snapdragon processor. Availability: Mid-November on T-Mobile for $199 on contract.
The HTC 7 Surround boasts a unique external slide-out speaker with Dolby Mobile and SRS WOW HD technology. Availability: November on AT&T for $199 on contract.
Surveying the Windows Phone 7 showcase in New York City. On display: the LG Quantum, HTC 7 Surround and Samsung Focus.
The Samsung Focus is the thinnest of the WP7-based smartphones, and it sports a 4-inch AMOLED display. Availability: November 8 on AT&T for $199 on contract.
The Samsung Focus is the thinnest of the WP7-based smartphones, and it sports a 4-inch AMOLED display.
The Samsung Focus is the thinnest of the WP7-based smartphones, and it sports a 4-inch AMOLED display.
HTC Trophy: International, 2011.