iPhone 3GS completely unresponsive

my phone shows nothing after plug in wall charger. doing hard reset doesnt work, shows nothing (black blank screen) did nothing works , pls me, im afraid bring phone apple since jailbroken phone..

response highly appreciated xd

 

if can verify iphone charged, plug computer , restore it. if not recognized itunes throw dfu mode , try again. if doesnt fix issue might hardware problem, still wait persons input on this.

 

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