A new rumour claims that Sony will release the Android 4.4 KitKat update for the Xperia Z1 this November 2013 and makes a detailed statement for the same.

According to AndroidSaS, Sony is working on the update platform based on Android’s latest mobile and tablet iteration which was announced a few months back. Sony plans to roll out the update for the flagship in the first week of November 2013 and further states that 7th November 2013 might be the Android 4.4 update rollout date for the Sony Xperia Z1.
Recently, alleged leaked screenshots of Google’s upcoming Android 4.4 KitKat were spotted online which were showing several new features and changes to Android 4.3 Jelly Bean iteration.