Nexus One

The Nexus One (codenamed 'HTC Passion'[5]) is Google's flagship smartphone manufactured by Taiwan's HTC Corporation. It became available on January 5, 2010 and uses the Android open source mobile operating system.[6][2][7] Features of the phone include the ability to transcribe voice to text,[8][9] noise canceling dual microphones,[10] and GPS guided turn-by-turn voice directions to drivers.[11][12]

The device is sold unlocked (not restricted to use on a single network provider). Google offered T-Mobile and AT&T versions of the phone online in the United States before closing the online store in July 2010. A version for use on Vodafone (European) networks was announced on 26 April 2010, available in the UK on 30 April 2010.[13] On March 16, 2010, the Nexus One device became available on the Google web store for sale in Canada for use with Rogers Wireless, Telus, Bell and Wind Mobile.[14] In May 2010 Google announced the closing of the web store, with the intention to distribute the phone through partners around the world.[15]

Apple is targeting the Nexus One in a patent lawsuit against HTC