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Repair and disassembly information for Samsung's Galaxy A32 5G Android smartphone, released in February of 2021.

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Dropped my phone in water and now it registers extra taps

I dropped my phone in water, like completely submerged for a few seconds. I put it in rice over night and the screen turns on and I can use it like normal. Except, it seems to be registering taps that I don't make, which makes it open random apps and scroll randomly. It also randomly glitches when I play music. Would anyone know how to fix this?

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Hi @amys40627,

The device is dustproof and water-resistant, not waterproof. It cannot resist the ingress of water by being submerged in it.

The impurities in the water causes corrosion and provides circuit paths for the electricity which were not in the phone's operating design and could damage the components. The corrosion starts immediately and is ongoing until it is completely cleaned away

Using rice is a myth. It does not fix the problems caused by corrosion. Rice is for dinner, not repair

First do not try to charge or to turn on your phone and then remove the battery as soon as possible from the phone to minimize any further damage.

Then you need to dis-assemble the rest of the phone and clean all the affected parts using Isopropyl Alcohol 99%+ (available at electronics parts stores) to remove all traces of corrosion and water. If possible do not use "rubbing alcohol" as in some cases this is only 70% IPA or less, can contain additives and is not as effective. If you do have to use it check the label to verify the amount of IPA. The higher the percentage of IPA the better

Here is a link that describes the process. Electronics Water Damage

As always with electronics, especially surface mounted pcb be gentle when handling and especially when brushing away the corrosion. You do not want to remove any components from the board. Remove the shields that may be covering some components as the water may have got in under there. The ends of any flex cables and their connectors need to be cleaned as well

Hopefully after you have done all this the phone might possibly work correctly again.

Here is the ifixit Samsung Galaxy A32 5G repair guide that may help

If this process seems too daunting, take your phone to a reputable, professional phone repair service, experienced in liquid damage repair and ask for a quote for a repair. If you decide to do this, do it sooner than later.

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Amy S さん、ありがとうございました!
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