hello my friends!!!!!! i have a question about this update ! i have sony experia sp , ofc i read that kit kat update is now available to all xperia Z,Z1,Z2....... but on my phone says: "under invastigation" ....but this update is super ! so , can u tell me plz if i update my xperia sp to kit kat 4.4 what will happen to my mobile???
