If you're still rocking an unrooted, Vodafone-branded Nexus One, then you'll be pleased to hear that today sees the release of the official, Voda-approved Gingerbread update for these phones. The carrier has announced that Android 2.3.4 has begun rolling out over-the-air to its Nexus Ones, bringing these handsets up to date with unbranded Nexii.
Of the many new features in Gingerbread, Vodafone has highlighted the re-vamped UI and keyboard, SIP calling and improved power management in its release notes. It's an over-the-air (OTA) update, so simply check for updates in Settings -> About phone to grab the new software.
Source: Vodafone UK