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Xperia Z Android 4.2.2 Jelly Bean Firmware version 10.3.A.0.407 Leaked

An unexpected Android 4.2.2 Jelly Bean firmware for the Xperia Z (C6602/C6603) has leaked today. Again, XDA's highly recognized developer [Doomlord] has brought the firmware build version 10.3.A.0.407. Although, this firmware is only a beta release or a test firmware build but this one truly showed that Sony are now cooking the official build that may officially rolled-out soon.

This leaked 10.3.A.0.407 test firmware can be manually installed to the Xperia Z devices with already unlocked bootloaders, and "this firmware may not have the same features as it looks like when the final and official build that soon to be release by Sony".

Those who might wanna give it a try now and be the first to discover on how's this Jelly Bean 4.2.2 looks like, just head over to XDA-Developers original thread which can be found here.

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