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The Samsung Galaxy A52 Is a Mid-Tier phone released by Samsung on March 17, 2021.

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How to restore my data from a defective mobile phone

My phone dropped into water and it's completely down now , I have very important data and contacts in this phone , is there anyway I can restore these data?

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Hi @saraelgammal

I'm assuming that there's no recent backup, either in the cloud or on a computer, is this correct?

To retrieve your data the phone would have to be opened and cleaned first to hopefully be able to get it to turn on so that your data can be accessed.

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

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 links 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 A52 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. Be aware that they may say after inspecting it, that it cannot be done as it is too late, but you can only try. If you decide to do this, do it sooner than later.

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Sara Elgammal さん、ありがとうございました!
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