I installed custom rom CM11 to my Sony Xperia SP to make it KItKat 4.4.4 and i Followed everything in this link which i am not being allowed to put by XDA, but the website is ibtimes.com and its about installing cynogenmod 4.4.4 kitkat to sony Xperia SP. (Please search it up)
I did not unlocked the bootloader and directly rooted the phone via KingoRoot (One click root). I followed everything else written in that blog. In the end it said reboot the phone and it will take some minutes. The phone never booted after that. Its not starting, black screen.When i press VOL UP+pwr button blue light flashes in the bottom and upon pressing VOL down+pwr button green light flashes in the bottom but the phone does not switch on, not even sony logo appears.
Please i NEEd Urgent Help