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원문 게시자: Minho ,

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Being water damaged, there's no guarantee that the problem will only be the battery. Chances are it will have a logic board issue. Now depending on the issue, it may harm your battery although realistically, it won't. It's a chance you will have to take.

However, before doing anything else, I would decontaminate the logic board.

* Open your phone and remove the logic board (follow this [guide|61314|guide])
* Inspect the logic board, especially around the connectors and look for corrosion.
* Inspect both sides of the board. Unfortunately, most of the board is covered in shields. That's usually where the damage is occurring.
* Put your board in a container with >90% isopropyl alcohol and let it sit for a while.
* Use a soft brush, like a toothbrush and lightly brush away any corrosion you see.
* Rinse in alcohol and repeat.
* Let it air dry for a day.
* Re-assemble and hope for the best.

If that doesn't work, a professional repair shop that does water damage repair may be able to recover your phone or the data because they have access to pro-level ultrasonic baths and specialized cleaners as well as the skills to troubleshoot your board. Many shops have a no fix/no fee policy so you don't have to spend money to find out if the phone is fixable or not.

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