I think your device has an iOS operating system.Why are you posting in Android Q&A?or am I wrong?
Device : Xperia Z1 C6903
Stock ROM .108 Firmware Android 4.4.4


Device : Xperia SP C5303 - DEAD
Custom ROM : Stock .266 Firmware Android 4.3
Bootloader : Locked

Don't forget to click the if I helped