How To Upgrade Sony Xperia T LT30p to Jelly Bean 9.1.A.0.489 Official Firmware

Sony-Xperia-TThe official Jelly Bean firmware 9.1.A.0.489 is now available for Sony Xperia T. It is great great news to all the Sony Xperia T users who started to feel the joy of Jelly bean on the buttery smooth performance. In case you have not receive OTA or Sony PC Companion, we have prepared a tutorial to guide you how to install manually and upgrade your Sony Xperia T to Jelly Bean officially.

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