Second generation of iPhone. Model A1241 / 8 or 16 GB capacity / black or white plastic back. Repair is more straightforward than the first iPhone. requires screwdrivers, prying, and suction tools.

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iPhone fell in water, Wi-Fi is screwed up now. Help?

My iPhone 3G was dropped in water, but luckily after some drying everything works fine except for the wifi.

It won't connect to my wifi and when it randomly does, it will also randomly disconnect which is REALLY annoying. It makes it practically useless for wifi. Also, when it does miraculously connect, the signal is extremely low, even if I'm inches from my wireless router.

Any ideas what could be the problem? Could it have messed up the wireless chip on the logic board? Could the water have broken the wifi antenna?

Any fixes?

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open the phone and clean with isopropyl alcohol. allow to dry and then reassemble. simply drying in rice or whatever doesn't stop the corrosion or the debris from water effecting your phone long after it was in the water. water residue is white or green and clings to all the small pieces under the metal cover on the motherboard-so you'll need to take this off to clean under there.

if the wifi still doesn't work after this you could try replacing the cable (?no 5-I'm getting forgetful but its the tiny pin like connector not the square connector on top left of motherboard)

alternatively the problem may be software- are you on iOS 4? in which case try downgrading/restoring if you think the problem started about the time you upgraded...

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