Death/dead/damages wont turn ON but battery is OK

Question

i have a big problem with my motorola v360. when im still in update my
v360 firmware using flash.. flash tell something erasing some data in
my phone. maybe its renew the firmware in my phone..

So i just wait for
a minute. but then, blackout… no electric and pc was off. when i turn
on my motorola v360, i cannnot make it on.. whyyy??????????? is it
cause my phone was delete some important data??? tell me how i can give
my phone alive back..

battery is OK.. just my phone cannot power ON..

help meeee!!!!

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