Software
The Nexus One was released with Android 2.1 Eclair. Later, an OTA update of Android 2.2 Froyo was released, which introduced a number of highlights: a new Home screen, support for Adobe Flash 10.1, better Microsoft Exchange support, Wi-Fi tethering, SD-card installable applications, cloud to device messaging for two-way push sync functionality and an overall 2-5x performance improvement.
The integrated Media Gallery, developed by Cooliris, provides several new features allowing the user to browse, edit, and share photos and videos on the phone.
The Nexus One ships with non-removable third-party apps, including "Amazon MP3" and "Facebook".
As of January 28, 2011, Android-based phones have access to more than 210,000 applications through Google Play.
The Nexus One OTA update to Gingerbread (2.3.3) started on February 23, 2011.
The Nexus One currently runs the Google Android 2.3.6 Gingerbread operating system.
Google has stated it will not update the Nexus One to Android 4.0 (Ice Cream Sandwich) saying the hardware is “too old”, however, third party ROMs are expected.
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