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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Water damaged, all buttons broken

Hi there,

My girlfriend's iPhone 3G spent some time soaking overnight in MILK (classy, eh?) and as you can imagine is pretty goosed.

After drying it out I managed to get it booting up, had white screen of death but have now put a new LCD in and it's booting up fine, restores okay and the touchscreen works perfectly.

Unfortunately I then noticed that NONE of the buttons work. This includes the home button, volume, mute and power.

I'm trying to troubleshoot where the problem might be and wondered what these buttons are actually connected to. I read one post that suggested that most of these are connected to ribbon cable #5. Is this correct? And is the home button related to that, or will that be a dock connector problem? The dock works fine otherwise, syncs and restores just fine.

Any help appreciated!

Answered! View the answer I have this problem too

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Okay, judicious application of isopropyl alcohol (and slightly more haphazard scraping of corrosion) from connector 4 has got the Home button working. Now just power, mute and volume. I've cleaned connectors 5 and 6 but no dice.

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just checking that you have taken the big silver cover off the motherboard..it's a slow and tricky process but lots of liquid gets in there and shorts things out. clean clean clean that's what i learned from my water damaged phone!

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Cable number 5 is actually the antenna array.

1 2 and 3.

Clean them with alcohol (i mean isopropyl alcohol by the way ;p).

Get a cotton swab and clean the connectors on the logic board with alcohol too.

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Isn't 1 for the display, 2 for the touchscreen and 3 for the proximity sensor?

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Rodti MacLeary will be eternally grateful.
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