Iphone won't turn on or charge?

I have an iphone i've got it 9 months ago never had a problem with it. Last night it died so i put it on charge but after 20 mins i tried to turn it on but it still had a symbol saying it aint charging so i thought my charger don't work so i tried my roomates charge she has the same phone but my phone still wasn't charging she tried her phone on my charger and it was charging hers. So there's something wrong with my phone. I've tried to connect my iphone to my computer to itunes to try to restore my iphone but even my computer isn't charging my phone nor reading the phone so i can't restore it… Any ideas how to get it turned back on? Because i'm out of ideas

This has happened to me before, what I did was remove my battery and just slipped it back in. If that doesn't work, maybe your battery is messed up. You should be able to buy a new one for about $10-$15, I believe.

Are you definitly sure that the charger was actually working, unless the phone has had any previous damage to itself (like a cracked screen) i can't help you…

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