iPhone can't turn on after replacing battery

See a few weeks ago, my cousin gave me his Iphone 5 hoping that I could fix it. He apparently dropped it in water and cant turn it on. So I put it inside a container with rice for a few days and when I tested it, it worked... for a few minuites before it died and I couldnt do anything. So I bought a battery from ebay and replaced it. I double checked all the connections and charged it. A few hours later...I checked and it still wont turn on. So any ideas on how to fix this?

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Daaamn. You know how to disassembly phone, but after phone get water damaged You put him in to rise ?

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Um... well if it worked with my Ipod its should work again

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Well, you could try the dock connector. Before you go for thebU2IC

iPhone 5 Lightning Connector and Headphone Jack Replacement

iPhone 5 Lightning Connector and Headphone Jack Replacement

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Um I charged it and it became really hot any other ideas?

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So it did come back on? After what?

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Corrosion.

You only way to MAYBE fix this, it is by using isopropyl alcohol on corrosion on motherboard.

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Fred Lee, "I charged it and it became really hot " your rice obviously did not work. Heat = short circuit. Next time skip the rice. It will not prevent corrosion nor will it fix the phone, it is a misleading myth. totally agree on this with Phonetech93 on this one. The very first thing you want to do is to not try to restart the phone. This may further damage your phone. You also do not want to try to charge it any further. The next thing to do is to clean it. Disassemble your phone using these guides. Once it is disassembled remove the EMI shields from the logic board. After that you do need to clean it properly. You will need high grade isopropyl alcohol and a soft brush. Use this guide to see how to clean it. Even so it was written for a 3G all the points are still pertinent to your phone. While you are cleaning it, check for any broken, missing or burned looking components. When it is properly cleaned, replace the battery. All these steps are to avoid delayed failure caused by corrosion. Once all this is done, reassemble your phone and reevaluate. Water damage is the hardest to diagnose since virtually any part may have short circuited.

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Fred Lee será eternamente grato(a).
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