I bought mine only a few days ago and I'm blown away by the bang for your money. It's a great mid range phone that feels high quality. Even on 4.1.2, the device feels really smooth and fluid to use. Plays games really well, Robocop, Real racing, injustice all play great.
Battery life is really good with stamina mode active. The sony UI is not floaty and quite a few of the bundles apps can be uninstalled without even rooting. Rooting is easy as pie, takes a few mins with 1 app.
Sent from my C5303 using xda app-developers app
Device: Sony Xperia SP C5303 - Locked Bootloader
ROM: eXistenZ Ultra 2.1.5 - 4.3
Click Thanks if my post helped