Microsoft unveiled two phones Monday that are meant for social networking-savvy teens and 20-somethings, in an attempt to revitalize its mobile business and regain ground on iPhones and BlackBerrys.

Microsoft's Kin 1 is a rounded device with a 2.1-inch screen and a slide-out keyboard. (Microsoft)

Microsoft said its new touch-screen phones — a short, square-shaped handset called Kin 1 and a longer, more rectangular one called Kin 2 — will be sold exclusively in the U.S. by Verizon Wireless. They are being made by Sharp Corp., which has produced Sidekick cellphones, whose software comes from Microsoft-owned Danger Inc.

In the past, Microsoft has mostly sold its mobile software to other companies to put it on phones they make. This will be the case with its recently announced Windows Phone 7 Series software, which is expected to be on handsets by the Christmas holidays. The Kin phones mark a departure, as Microsoft has sway over the creation of their software and hardware.

Verizon said it will start selling the Kin phones online in early May and in stores shortly thereafter. In the fall, carrier Vodafone Group PLC — which owns Verizon Wireless in partnership with Verizon Communications Inc. — will start selling the Kin phones in Italy, Spain, Germany and the U.K.

Microsoft has not yet announced prices or Canadian availability of the phones.

Microsoft's Kin Two has a larger 3.5-inch screen and can will be able to shoot HD video. (Microsoft) Microsoft needs help in the cellphone market. Its software has been losing share while Apple Inc. and Google Inc., which makes the Android operating software, have gained. Microsoft software ran on 13.1 per cent of smartphones sold in the U.S. last year, according to research firm In-Stat. That put Microsoft in third place after BlackBerry maker Research In Motion Ltd. and Apple.

Roz Ho, leader of the Microsoft team behind the Kin, said the company has been working on the Kin devices for several years, trying to create a handset for people who especially want to connect with others over social websites such as Facebook. The phones are also meant for people who want a handset that works simply, without forcing them to hunt through menus and icons, she said.

That setup could also present a risk. Unlike most popular smartphones, the Kins won't have access to application stores that let customers download add-on software programs. Ho said her team studied consumer habits and then built the activities they used most often into the Kin phones.

Social network connections

For instance, in a demo for The Associated Press, the Kin's home screen showed a live stream of updates to social networks and websites that can be clicked on and responded to. Users can send photos and other material to people dragging it onto a little circle at the bottom of the screen. A finger swipe across the screen can then bring up a page with applications such as photos and music.

The music player will be based on Microsoft's Zune software, which until now has been only a stand-alone media player.

The Zune software also will be incorporated into the Windows Phone 7 handsets that multiple manufacturers will be able to use. That software was announced first, at the Mobile World Congress trade show in Barcelona in February, but will hit the market later. Microsoft and Verizon said they don't think consumers will get confused.

John Starkweather, who runs the digital marketing team behind the Kin, said the handsets will not be obviously branded as Microsoft products. They will sport a sizable "Kin" logo on the back and, in smaller type, an indication they are Windows phones from Verizon and Sharp, he said.

Both Kin phones are black and have screens that respond to multiple finger gestures, similar to the "multitouch" technology on the iPhone. The shorter Kin 1 has a full QWERTY keyboard that slides out from the bottom, while the Kin 2 has a full QWERTY keyboard that comes out from its side.

Both include Wi-Fi access and cameras capable of taking higher-resolution photos than most handsets: The Kin 1 will include a five-megapixel camera, while the Kin 2 will have an eight-megapixel camera. The Kin 2 will also be capable of shooting HD-quality video.

Neither has a memory card slot. Instead, the phones will upload content such as photos and videos to a Kin online storage service to free up memory.

Microsoft already does something similar with the Sidekick phones — it stores phone numbers, photos and other personal data on servers it runs. This resulted in an embarrassing incident late last year, when a server meltdown caused data to disappear from some users' phones. T-Mobile temporarily stopped selling the phones, and some customers even sued.

Microsoft managed to restore most of the missing data and gave $100 gift cards to affected customers.