Root without unlocking bl
let me know if it works for you - hit thanks.
or you could try this to root your device, it worked on my Xperia - https://www.towelroot.com/ Your Antivirus might say its a virus but it did ROOT my device, Sony Xperia Z C6603 4.4.2 10.5.A.0.230.I think that Doomlord's way requires unlocked bl ..
Thanks man ,
somebody else ..to confirm this
let me know if it works for you - hit thanks.