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iPhoneの第２世代モデル。モデル番号はA1241 / 8 もしくは16 GBの容量/ ブラックもしくはホワイトのプラスチック製背面ケース。修理はオリジナルiPhoneに比べて直接パーツに作業ができます。ドライバー、こじ開けるためのツールと吸盤カップが必要です。

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After water damage, what parts to replace?

I bought an iPhone 3G for $5 from a friend. It was known to have water damage -- she dropped it in a puddle. Anyway, it seems to charge fine and is recognized by iTunes, although I'm not yet sure how long the charge will keep. If I get this working, I'll probably attempt jailbreaking it to play with on T-Mobile.

But so far, I can't even use the main screen's slider to unlock, giving me the impression it doesn't recognize my finger trying to swipe it. I can tap on it and the screen soon goes back into low-power mode.

I see several parts for the front panel (front panel, kit, assembly). Which part do I need to replace? Should I get any other parts that are likely to be a problem after fixing the touch screen? Any tips or suggestions otherwise? Also, does this mean the logic board is likely to NOT be a problem since it's booting up and charging? (I hope that's the case, I don't see any logic boards for sale!)

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I am not familiar with the 3g but I have heard that when the screen is having issues working, it may be the coil on the motherboard. I am having the same issues with my 3gs and am sending it to have the #3 connector and coil replaced. Look up you tube videos on replacing iphone coil.

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Lucky you. If it is just the touch screen then you need to purchase a digitiser.

I would recommend that while you have the phone open giving it a nice clean with isopropyl alcohol. whilst the phone may be dry now corrosion may be taking place or debris may cause a short and in a few months your phone may end up as toast. it looks either green or white like spider webs. It's worth the 5 minutes whilst you're in there fixing the touch screen...just take care with the little gold prong on the bottom right of the motherboard it can be a bit tricky to release. clean all the connectors and visible parts.

batteries are cheap enough and are the most likely part to fail with water damage. iPhone 3G Front Panel

iPhone 3G Front Panel Replacement

iPhone 3G Front Panelの画像

製品

iPhone 3G Front Panel

$9.99

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I actually ordered the front panel kit -- it was $5 more and seems to have more tools and adhesive I may need. I would imagine this works just as well, if not better, than the front panel only, correct?

Out of curiosity, what are the differences between these parts and parts I can find on Amazon? After I ordered, I noticed they had some cheaper prices.

Also, will the battery be the same strength as the original? I thought I saw or read somewhere where you can replace it with a battery with better charge capacity, giving it more life before needing to recharge (the mAh?).

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don't fall for the battery hype... you're risking a whole heap of bother! lots of issues with overheating. Apple knew it's bickies when they put the battery in that they did. The one supplied here is the same capacity as original.

as to the differences between parts? depends where they ship from... ifixit and amazon use products that they've tested and are hardly likely to resell a product that isn't of good quality/standards. It would do their reputation harm.

be aware that there are many companies that offer OEM parts shipping from china/hong kong.. they can't ALL be OEM! if you buy from them do so via ebay then you can see feedback etc.

you may not need a battery if yours charges etc.. I was just saying that it's the most likely part to fail with water damage. all the best

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+ appropriate tact, well done

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I replaced the battery and the front panel. I had a hard time reconnecting cable #3, the one with the FPC connector. After I managed to put it all together, the touch screen still isn't recognized. Could I have not connected a cable tight enough? Which cable(s) control the touch screen that I can double-check? Any other ideas since everything else seems to work (the mute switch, the volume buttons, the home button)?

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Update: I realized it's cable #2 for the front panel touch screen. I took the front off again and reconnected all three cables, but still no luck getting the touch screen to work. Still looking for ideas, help, anything! (The parts I purchased were from this website, not some unknown parts elsewhere.)

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Probably just a bad board due to liquid damage. We have found that soaking the board in alcohol for about 4 hours, than letting it dry out in rice over night is the best solution in your case. It has recovered many water logged phones in our shop. The alcohol will get to places that you can't reach, it wont just eat all of the corrosion away, but it will help. I have done this to about 10 liquid damaged iphone logic boards. In a shop test last week, 10 our of 6 iphone 3g/3gs logic boards came out working perfect. Good luck.

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5 bucks for a water damaged iphone, you got yaself a bargain ! if you don't see any corrosion on the board don't clean it. where ever you see there's corrosion just clean it with a bit of IPA solution(isopropyl) and then resolder the contacts and joints up. Replacing a new battery, system connector, digitizer and/or LCD if there shadows on the lcd while it's powered on. Cos you don't wanna have after effects of the iPhone. Basically Other then the motherboard, i'd replace everything, depending on your budget. :)

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Not much of a bargain if I can't get it working! :( I tried the suggestion of cleaning off contacts, etc. with isopropyl alcohol -- I didn't see any corrosion but lightly cleaned it anyway. The LCD works fine (bright and no visible oddities), the new battery seems to be holding a charge much longer, the dock connector hasn't had any issues, and the touch screen front panel is new & replaced but still not working.

Aside from that, if it does come down to the logic board, where can I buy one? I don't see any on this site. And is it worth it if it's a 3G (not S) model? Any reputable and trust-worthy places to pick up an old iPhone (3G, 3GS, etc.) but working model? I'd prefer to fix this one since I've invested in these replacement parts already, though.

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you don't need a new logic board. you need to find someone who can replace just that one connection. there are plenty of sites that offer this repair. I've seen many of them advertising on ebay... you can see their feedback and chose, or go to your local repairman and see if they do it. I have cleaned these connections again, and again and again. then it works. clean!

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theres actually nothing wrong with the digitizer/screen/lcd. When an iphone is dropped in water the first thing to get corroded is the connectors for the screen. Completely remove the logic board and clean it with distilled water and a tiny amount of dish soap, rinse it real good and let it dry for 2-3 days at least. Put it back together and youll be in business. people say alcohol but ive never had good luck with that. logic boards are about 100 bucks for a 8gig, but honestly i have a feeling its just the connection on the logic board is shorted from corrosion

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What would you suggest cleaning it with, aside from distilled water & a dab of dish soap -- a tooth brush, would that work? And if it's just the connectors, why not just clean those on cable #2, instead of the whole logic board?

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use a soft brush-you don't want to clean off more than corrosion!

the idea of cleaning the whole board os to remove corrosion/debris that may short the phone over a period of time. just clean the connector if that's what you feel comfortable with.

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i think i did a reasonable job cleaning it as suggested, but still no luck, still no touch screen. Any other suggestions of what I can do, or worse comes to worse, any word-of-mouth repair places? Also, my daughter has a 2nd generation iPod Touch, could I use her touch screen or any parts to test out what might be going on with the iPhone, eliminate possibilities or something?

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Simple answer is no. Do you have another iPhone that you can swap parts/boards to test with. It needs to be the same generation iPhone as you have.

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No, unfortunately that's the best I have is the Touch. Any other suggestions of what to try myself, or at least some reputable word-of-mouth service to check into?

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i have experienced that problem exactly. more than likely you got your self a bad digitizer. try to test the new digi on a unit that works and ill bet it wont work on it either. if digi is bad return to seller or just bite the bullitt and spend 10 bucks and buy another one. after all u only paid 5 bucks for a 100 dollar phone.

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KCSamerica さん、ありがとうございました！
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