Sony has unexpectedly launched a firmware update for its flagship Android smartphone the Xperia T a couple of months ahead of what was initially scheduled.

The Android 4.1.2 Jelly Bean update then comes just like a Christmas present for Xperia T owners. It has hit the international version of the smartphone (LT30p) as well as the AT&T branded Xperia TL (LT30at).

As blog SonyViet reports, the update brings a significant improved in battery life, in addition to the smoothness added by Project Butter. Here are some screenshots from an updated device.

The update should be already hitting Xperia T devices all over the world, but in case it isn't just yet, hold on tight. Evidence show you should be getting the update soon.

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