[Q] problem with magnetic charger and bootloop and screen

hi all im having an extremely strange problem I have looked all over the internet for a solution and haven't found one so the problem is I connected my xperia z1 to a magnetic charger the wrong way immediately went off. left it charging via usb port and it works again but now it has a strange problem when I connect it to my charger the screen randomly turns on and off and if I turn it off it enters a bootloop until I press the red button then everything goes back to normal. but if I turn it on a gain and connect a usb charger the same thing will happen so I don't know what to do any help would come in handy

tried solutions:

flashed a new kernel and cyanogenmod

went back to stock

wipe data erase

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