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Repair and disassembly information for Google's Pixel 7 smartphone, released in October 2022. Identified by model number GVU6C and GQML3.

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Screen turned blue after a exposure to water

Pretty much the title. The screen started to turn blue and then started to have rows/bars of pixels turn white after water exposure. It was hard to get it to register taps and gestures. Phone is off now sitting in rice. Could it just be the screen? I'd hate to order a new screen and repair it for it to just be dead in another way

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Hi @myfriendjimbo

Using rice to fix the problem is a myth. It will not not fix the problems caused by corrosion. Rice is for dinner, not repair

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. The corrosion starts immediately and is ongoing until it is completely cleaned away

First do not try to charge or to turn on your phone and then remove the battery as soon as possible from the phone to minimize any further damage.

Then you need to dis-assemble the rest of the phone and clean all the affected parts using Isopropyl Alcohol 99%+ (available at electronics parts stores) to remove all traces of corrosion and water. If possible do not use "rubbing alcohol" as in some cases this is only 70% IPA or less, 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 board. Remove the shields that may be covering some components as the water may have got in under there. The ends of any flex cables and their connectors need to be cleaned as well

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

Here is the ifixit Google Pixel 7 guide that may help.

If this process seems too daunting, take your phone to a reputable, professional phone repair service, experienced in liquid 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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1 Comment:

Rice always makes me giggle. The longer you leave it the less chance you have of it working again. The amount of unrepairable phones I see at work because the rice trick killed it is unreal. Do as above and quickly.

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