@sean_wx Rice does not do anything but wastes your time. It is not a tool to be used in water damage repair. Check on here for more info about that https://www.ifixit.com/News/30047/rice-i... The myth of rice as a tool for any kind of immersion accident has long been laid to rest as totally bogus. Rice does not work. It is the equivalent of doing absolutely nothing.
For now you want 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. Disassemble your phone using Samsung Galaxy S10e these guides . You must remove all EMI shields. If you do not remove those, you might as well not do anything. After you removed those, clean the whole board, connectors and all with +90% isopropyl alcohol. Follow this guide , and even so it was written for a iPhone 3G, all the points are still pertinent to your phone. While you clean your board, check for any obvious damage, like burned or missing components etc. When it is properly cleaned, replace the battery. All these steps are to avoid delayed failure caused by corrosion. Best thing to do would be to clean it with an ultrasonic cleaner, but if you do not have access to one, this will at least help. Once all this is done, reassemble your phone and reevaluate. Until it is cleaned, everything will only be a guess. 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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I have a galaxy S10 e. The back glass began coming off, and I took in the pool. I then realised the back glass was coming off, and water went in. It's not functional at all. It doesn't charge, turn on or do anything.
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