It's been a busy week or two for Sony fans. First we get a Google Play Edition of the Z Ultra, then the AOSP On Xperia project expands to the low-cost Xperia L, and now owners of Sony's high-end phones are starting to get their long-awaited Jelly Bean 4.3 updates. According to this Sony blog update, both the Xperia Z1 and the enormous Z Ultra should be getting the over-the-air update starting today, at least for unlocked versions.

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Sony Announces Android 4.3 OTA Rollout And New Software Features For The Xperia Z1 And Xperia Z Ultra was written by the awesome team at Android Police.