boot loop of hades zte zmax

i have searched and searched to no avail i'm sorry for posting here as it won't let me post anywhere else as i am a new user but i digress

my zte as the above suggests boot loops it is NOT rooted it is stock i have master reset it i've contacted my carrier for help and alas they are useless..

anyway it started about six months ago and when i get to half or 3/4 of a battery it restarts on it's own by itself i've tried taking out the sim card and the sd card but nothing works i don't know what to do....

any ideas would really be appreciated

anybody ???

Beuler ...

Beuler....

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