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The Samsung Galaxy A14 5G is an android smartphone developed by Samsung Electronics. It was released in January 2023.

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Being in water for hours

My phone was dropped in water 4 hours and fully submerged is there any way to save it it was still working when it came out the water but now it won't turn on. Please tell me there is a way to salvage it!

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@britt1433 for now you need to stop continuing to try to charge, sync or otherwise use your phone. This potentially can make a bad situation worse.This may further damage your phone.

The next thing to do is to clean it. Since iFixit does not yet have a specific guide for this model, use the guides from here They are written is French so use a browser that will translate them for you.

Remove the motherboard, the charging board (Sub_board) as well as the battery. Take a careful and close look at all components and connectors to assess the damage. Look for major corrosion, evaluate the pins in the connectors etc,. Take a look at all connectors as well as cable ends. You will have to remove all the EMI shields of the main board. If you do not remove the shields, you are not cleaning the board.

Once you got the gross contamination cleaned, use 90%+ isopropyl alcohol and clean your parts some more. For a proper cleaning, use this guide. It was written for an Apple iPhone 3G but it is still pertinent to your phone as well. I can not stress the importance of a good cleaning enough, so do it over and over while replacing the alcohol after each cleaning. Do not use compressed air for the cleaning since that can drive liquid as well as corrosion particles into areas that will cause trouble later on. You do not need to leave your phone to dry after it is cleaned. Isopropyl alcohol in the higher concentration will evaporate quickly and dissipate the water. The importance here is the cleaning. It would of course be best to get it professionally cleaned Do not forget to replace the battery. This is a must and not an option. It will fail if you do not take care of it now.

After that, reassemble your phone. I would consider to replace teh sub_board (daughter board) with a new one. That will eliminate a major headache if further troubleshooting should become necessary. You will also need to replace your battery. This is a must and not an option. It will fail if you do not take care of it now.

After that, reassemble your phone and re-evaluate. For as long as you have not cleaned your board and replaced the battery, everything is just a guess. Keep in mind that water damage is the hardest to troubleshoot and to repair. It does not matter if is was exposed for 2 seconds, 2 hours, or 2 days. What matters is where the water (particulates) did the damage. I understand you do not have the resources to open it up but the longer you wait the less likely your chances to revive this phone. Even with all this, water damage has only a small chance to be fully repaired, but at least you can give it a try.

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Yes, don't TURN IT ON. Try and disconnect the battery and work from there.

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Britt さん、ありがとうございました!
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