UNLOCK BOOTLEOADER ZENFONE 5

well, in your situation, if you have carefully followed instructions, read all the posts, tried it and doesn't work for you. Your last resort would be
UPDATE 2014 Aug 28: UNLOCK BOOTLOADER
Please update firmware to latest 1.17 before process. ***** WARRANTY VOID *****
Zen5: http://dlcdnet.asus.com/pub/ASUS/Zen...atform_rel.zip
Zen6: http://dlcdnet.asus.com/pub/ASUS/Zen...atform_rel.zip

but BE SURE TO UNDERSTAND WHAT YOU'RE DOING.