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I pluged it in wrong one night and bent the pins please help!

Answered for completion sake only. Can it be replaced? Yes, if you can solder and have a steady hand and a good magnifier. Check something like this video or check this guide iPod Touch 4th Generation 30 Pin Dock Connector Replacement to see what you are up against. I requires the skills to desolder at least 32 very fine connectors with a very tight pitch. Not an easy task, If you are uncomfortable with doing it yourself, there are lots of places that will do it for a fee for you.