The first model of iPhone, Model A1203 with 4, 8, or 16 GB capacity and an aluminum back. Repair requires a significant amount of prying, and may require some soldering.

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water damage leads to bad digitizer

I dropped my phone in water. I tried the rice trick and was able to salvage my phone for the most part. The only problem I have is the bottom quarter of the touch screen no longer works. The rest of it is fine but the bottom is unresponsive.

I see a lot of people on here talking about cleaning the logic board with alcohol and taking off the corrosion usually helps with water damage. Would this help if it is only part of the screen that does not work? Should I clean anything else in addition to the logic board?

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if you turn the phone on it's side is the same section of screen unresponsive??

cleaning the phone may well help. the digitiser cable and connection in this case may be where you want to concentrate your efforts, but cleaning all of the motherboard is really the best idea. The digitiser and lcd are one unit in the 2g and if the problem isn't rectified by cleaning (it may take more than one go..have had to clean 2 and 3 times and each time it looked pretty clean) then you may have to replace it.

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It is always the same side that is unresponsive. The side that is closest to the home button.

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then you need a new digitiser(touchscreen). They are manufactured as one piece so you will have to replace both digitiser and lcd. It is pretty near impossible to take the lcd off the digitiser...lots of us have tried and the response is usually don't bother. you can buy the parts separately but will then need to find a way to secure them or you can buy as an entire unit. the benefit of buying pieces is that should one be damaged in the future you don't have to replace all. Buying as a single unit is easier all round. It's up to you... the guide to install is on the right- it's not easy, so really read it a few times, and watch it on youtube before attempting.

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