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This is the device page for the Samsung Galaxy J7. The OS that comes stock to the device is Android OS v5.1.

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Accidentally spilled some water on my Galaxy J7 2017

The touchscreen and the power button dont work. The phone is turned on and I cant turn it off. I set it a year ago to never timeout. I put it in rice now. After 15 minutes I saw the screen started stuttering (idk if its the right word for it i mean doing random moves) but didnt fix. My guess is I will need to bring it to the repair service, but is there any way to turn it off? Also Im not good at teardowns and this device is a hard example.

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@musava_ribica start by pulling the battery Samsung Galaxy J7 Battery Replacement which is easy. Skip the Rice. It’s an urban myth that does absolutely not do anything.

The very first step I would take is to disassemble your phone. Use these guides Samsung Galaxy J7 Repair to help you disassemble your phone. Take a careful and close look at all components and connectors. Truly 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. 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. Do not use drinking water, if you need to use water, use sterile water. Also, you do not need to leave it to dry for a day. 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 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 or 2 hours, what matters is where the water (particulates) did the damage. The longer you wait the less likely your chances to revive this phone.

Immagine iPhone


Riparazione danno da liquidi iPhone



1 - 2 hours

Immagine Samsung Galaxy J7 Battery


Samsung Galaxy J7 Battery Replacement


Molto facile

1 minute

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should i do it even if my phone is turned on?


Yes. Removing the battery will turn your phone off!


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Place your phone in a safe, dry place. Allow at least 48 hours for the liquid to evaporate before reinserting the SIM or microSD cards or turning on the device. Placing your phone in a plastic bag filled with uncooked rice facilitates the evaporation process. Also, dry your phone with a hair dryer.



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Dario Vuksan sarà eternamente grato.
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