Ever since I bought my Xperia S, the whole screen is working properly, but when I receive a notif to update my firmware, I ignore that thing, however even after couple of months, it still urge me to update my phone so I have nothing to do but to update it. Then after I updated my phone to 6.0.B.3.184, it seems like there's nothing improvements on my phone, except the left side of the screen which is no longer working. When typing in portrait, the left keys aren't working and in landscape, keys below aren't working too. Aside from that, sometimes some keys aren't responding unlike from previous firmware which is all working. And now I want to downgrade my firmware back to it's original state or repair at Sony Service Centre because my phone is under warranty. Thanks. Rouward from Philippines
