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Repair information, troubleshooting tips, and guides for the sixth iteration of Apple iPhone, announced on September 12, 2012. Model: A1428, A1429

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Water damaged iPhone 5, repeated alcohol cleaning, LCD backlight poor

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Hi

I submerged my phone in swimming water for six seconds. As I was on holidays, my only option was to power down and bag it in rice for a week.

When I returned, I stripped down the phone and cleaned logic board with 95% ethyl alcohol. I also scrubbed all connectors. I can see a possible short/ damage on the LCD/ Logic board connector, I cleaned the area thoroughly.

Everything on the phone was working fine when I booted back up after this, however the LCD was "dim" and not bright.

I stripped it down again and cleaned the connectors, however on the next boot up the LCD was worse. I repeated and again it got worse and now it is extremely poor.

Is this a backlight coil/ IC issue now and should I bother trying to fix considering potential long term damage from water?

Thanks for you time

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6 Comments:

ppat, " I can see a possible short/ damage on the LCD/ Logic board connector" post a couple of images with your question so we can see what you see. Use this guide Adding images to an existing question to post images with your question

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Thanks for your response.

I will post a picture when I get home. The damage isn't getting worse so would that explain the continued deterioration?

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Any chance you could repost some of your image. The motion blurr makes it look like that there are some pins missing.

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Sorry Old Turkey. Thanks for your response. Those pics were after a lot of attempts!

Perhaps the pins may be missing. It is hard to tell with naked eye even.

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If those are missing pins, you will need someone to resolder a new connector to the board. That may be the reason why your backlight is not working properly

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1 Answer

have you trried another lcd? btw, rice does nothing. you should of opened it up straight away and cleaned it

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1 Comment:

Thanks. As stated, I was on holidays on an island so no tools.

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ppat will be eternally grateful.
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