I bought this cell phone last year 2015 april. mostly I attracted this phone is 6.3 inch triluminos HD display. desing very well, look pertty much slim and easy to use. one thing I dont like in this cell phone is sony not give LED flash light for low light click photo but sony z ultra took better photo than other cell phone in low light. sony z ultra have 8 meg pixel camera, 2 mega pixcel front facing camera.one thing I mostly like sony brand is, give u 2 mega pixel camera but photo quality is much better other cell phone. battery is quait ok in this cell phone not for heavy use.inbuild battery sony z ultra not heated playing game and other heavy application is pretty butter smooth running app and game.
2 gb ram and internal storge 16 gb, remain 10 gb use to us.2.2 quad core processer. side body fitted aluminium fram and front and back glass.micro SD card support up to 64gb.water and dust prof resistance I am choose this cell phone because sony give you quality and better experience.