Flash Stock FTF via Flashtool in Flashmode. You can use also PC Companion to repire your phone but with Unlocked Bootloader I don't know if it will work.
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My Evolution: Sony Xperia Z1 - UB + 4.3 Rooted + Deodexed, HTC HD2, HTC Diamond 2, HTC HD Blackstone, Nokia 7070 Prism, Qtek 9100, Nokia 3100, Motorola T720i, Nokia 3310, Sony Ericson PF 768 (Blue)