Nexus One is the only device currently running on the Android 2.1, but that won’t be for too long as the Android Development team announcedÂ Android 2.1 SDK for public download earlier today.
All the Android PC software released till now had support for phones running on the Android 2.0 i.e Motorola Droid, but with the release of Android 2.1 SDK, a new USB driver has been included which also supports the Nexus One.
Android 2.1 SDK has released and is now available for download! Developers can download Android 2.1 SDK and have a taste of what is running on the Nexus One.
HTC promised that once the folks over at Google release the Android 2.1 SDK for public, other devices waiting for an upgrade will start getting software updates to run on the latest Android 2.1. Currently, only the Nexus One is running on Android 2.1.