Will Verduzco · Apr 3, 2014 at 06:00 am

[FTF] Sony Xperia SP Receives Android 4.3 Maintenance Upgrade to 12.1.A.1.201

Although the  isn’t yet in the list of devices scheduled to receive the official Android 4.4 goods from Sony, that’s not to say that the SP can’t still benefit from some rather substantial OEM love. Early yesterday, Sony began updating the Xperia SP to firmware version 12.1.A.1.201. While it’s not KitKat, it packs quite a few bugfixes over the previously released 12.1.A.0.266 build.

Just like the previous build, 12.1.A.1.201 is based upon Android 4.3 Jelly Bean. But according to Sony’s update page for the device, it brings an enhanced user experience, improved battery life, and software performance improvements. This, however, doesn’t tell the whole story, as it it seems to have fixed quite a bit more than the official changelog lets on.

For starters, 12.1.A.1.201 seems to fix many issues people were having such as the RAM bug, as well as problem with device overheating, battery usage, color LEDs, screen flickering, touch screen responsiveness, and more. Furthermore, users seem to report an increase in device speed after updating. But even after the update, Bravia Engine still seems to be broken, so hopefully this will be addressed in a future update. To learn more about the 12.1.A.1.201 update itself, head over to Senior Member Amin.HVS‘s update review and Forum Member Rushaan™‘s changelog threads.

So when can you install the update? Well, it’s currently making its rounds through various regions, so there’s a very good chance that your device will receive the OTA soon if it hasn’t already. That said, not every device in every region will have access in the first wave. Luckily, Forum Members Jozinek, chewlohseng, jnocomski, and UltraWelfare have pitched in to share FTF mirrors of the firmware, which can be flashed using Sony’s FlashTool.

Head over to the mirrors below to get started:

Update: XDA Senior Member dipesh1502 has also released a pre-rooted, deodexed, and zipaligned repack of the update for your convenience!

[Many thanks to Omessy7 for the tip!]


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Will Verduzco

willverduzco is an editor on XDA-Developers, the largest community for Android users. Will Verduzco is the Portal Administrator for the XDA-Developers Portal. He has been addicted to mobile technology since the HTC Wizard. But starting with the Nexus One, his gadget love affair shifted to Google's little green robot. He is also a Johns Hopkins University graduate in neuroscience and is now currently studying to become a physician. View willverduzco's posts and articles here.
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