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LG Aristo MS21O android phone repair and troubleshooting.

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Dropped in water, what part should I get to fix?

I dropped my phone during a bath a few days ago, it was only in the wateer for a split second. the phone shut off, I took it from it's case and wiped it off, it didn't seem that wet. It all happened so fast I don't remember if I took the batteryout first or tried to turn it on first.. Either way I took it apart, wasn't very wet on the inside, water stickers had changed color, blow dried everything with cool air.

When I did turn it back on the black around the start up logo has green and/or purple lines on it, there’s tiny horizontal lines going across and after a bit the screen starts to jump, like the display itself will be stable but a ghost of the screen just jumps on top of it, allowing the phone to be functional but just annoying to use. If I try to watch a video and turn it on it's side the lines are worse, covering the entire display making it impossible to see. It seems that darker colors displayed make the glitch worse. Touch is fine except it being a tad sensitive when typing so it o occasionally types double letters or a double space.

I fixed an iphone screen once and I have all the tools to do the job I just don't know which part to get, digitizer? Screen? Or is it something with the logic board?

Any help or advice is appreciated!!

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Hi @beth1218

As you know water and electronics and electricity are not a good mix.

The impurities in the water causes corrosion and provides circuit paths for the electricity which were not in the phone's operating design and could damage the components.

First do not turn on your phone and then you need to with the phone turned off, remove the battery as soon as possible from the phone to minimize further damage.

Then you need to dis-assemble the rest of the phone and clean all the affected parts using Isopropyl Alcohol 90%+ (available at electronics parts stores) to remove all traces of corrosion and water. Do not use "rubbing alcohol" as in some cases this is only 70% IPA or less, can contain scents and is not as effective. If you do check the label to verify the amount of IPA.

Here is a link that describes the process.

Electronics Water Damage

As always with electronics, especially surface mounted PCBs be gentle when handling and especially when brushing away the corrosion. You do not want to remove any components from the board.

Hopefully after you have done all this the phone might possibly work correctly again.

Here is a link to the ifixit screen repair guide for your phone, which may be of some help in dis-assembling the phone.

Remplacement de l'écran du LG Aristo MS210

If this process seems too daunting, take your phone to a reputable, professional 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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Check the logic board for liquid damage. If the logic board has no signs of liquid damage then replace the Screen Assembly.

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What would signs of water dammage on the logic board look like?


Liquid damage may look like chalky white film or rust on the logic board and cables. Always examine the logic board VERY carefully. The slightest liquid damage could totally brick your phone.


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Bethany sera éternellement reconnaissant.
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