Reporting from XperiaBlog , this news originated from a chat forum Sony Mobile is flooded with scathing comments and complaints users Xperia SP . They say that when they do an update to Android OS 4.3 Jelly Bean , the owner of the Sony Xperia SP reported that their handsets lag screen and its backlight blinking . Even so gemasnya , some SP Xperia users who experience problems at the screen and lag , straight to video record it , and upload it to YouTube .
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SP Xperia users having problems screen flickering ( blinking ) , Backlight continuous flashing of course very disturbing . They complained , this seems to happen after they do update the Android OS v4.3 . Whereas before, when they do update the Android OS 4.1.2 , this incident did not happen .
Those who have complained about the Xperia SP experienced by users on firmware updates and 12.1.A.1.201 12.1.A.0.266 alone . The problem could be related to the kernel due to multiple users on different custom ROMs also reported the same problem .
So far , the Sony has not given any information related to this issue .