iPhone 6 get hot and blackout

hello friends

my iphone 6 whenever powered on get hot around processor area and after awhile screen blackout and device reboot.This happened again and again until front camera flex cable is removed . when front camera flex is disconnected it works good.

but as soon as this flex cable is reconnected processor area starts heating up and device gets shutdown.

i changed the this front camera flex cable with new one but same issue.

Any help please.