My phone fell in water, how do I open it to dry? Thanks
How to take off back cover of Galaxy j5 prime to dry out?
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Water and electronics and electricity are not a good mix.
The impurities in the liquid 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 is ongoing until it has been properly cleaned away.
First do not try to charge or to turn on the phone, then disconnect the battery as soon as possible from the phone to minimize any further damage.
You need to disassemble the rest of the phone and clean all the affected parts using Isopropyl Alcohol 99%+ (available from electronic parts stores) to remove all traces of corrosion and water. Try not to use "rubbing alcohol" as in some cases this is <70% IPA, 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 link that 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 boards. You will also have to remove any shields that are covering some components as there may be corrosion under them as well and disconnect and clean any cable ends and connectors etc
Hopefully after you have done all this the phone might possibly work correctly again.
Here is a teardown video of the phone, which may be of some help.
If this process seems too daunting, take your phone to a reputable, professional mobile phone repair service, experienced in water damage repair and ask for a quote for a repair.
If you decide to do this, do it sooner than later.
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