ZUK stuck on boot screen logo , pressing volumme keys + power button no use !

i just wanted my zuk phone to get back to the stock rom ,...i tried http://ift.tt/266Rkci Tool to flash stock rom ,.. the rom installed succesfully but when i tried to reboot my phone ,..i ended up with zuk boot logo ,..even i cant access fastboot by vol + pwer .....any solutions ! :confused::confused:

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