currently status of s.f is terrible specially with xperia x the which is the main device to use the o.s it has a lot bugs and features missing. example of many: since xperia x is supported ,i am not using a simple sd card, because the os has bug to detect correctly some s.d. bluetooh is terrible ,browser terrible, nfc does not exist, not gpu ,cpu still bugged, wlan is bugged, i lot more for sureee.