iPad first gen does not turn on even after battery replacement

I have this old iPad 1st generation that just wont turn on no matter how much I try.

Not even a battery replacement didnt fix it. I really wanna try out old skeumorphic iOS and this is the only Apple device I own that runs pre iOS 7.

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BTW I had also tried reconnecting the screen cables cleaning the charging port, cleaning the screen connecters and battery pins. No luck.

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@Ol’banana chips could be a bad tristar ic

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@tech_ni Well I remember if I left the iPad charging for a whole day it would light up with the battery flat symbol, then boot up on the recovery screen and would not leave the recovery screen.

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