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The ZTE ZFive G LTE is a smartphone manufactured by the ZTE company in 2018. Model number: Z557BL.

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What do I need to do to fix this discoloration

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Was working and came back to my phone to see it having this discoloration. I don't know what I need to do or how much it would cost to fix.

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Hi @codyboren,

Is it still there when you switch off the phone and then turn it on again?

Does it show up when apps are opened and not just on the home screen?

Has the phone been dropped or gotten wet at all?


@jayeff have tried turning it on and off and it does show up on all apps. It did get wet on the screen by a few droplets during work but I didn't see the coloration there atm


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Hi @codyboren

Water damage is a possibility as the best I can find out the phone is not rated as water proof or even water resistant.

I'm not saying that it has caused the problem but it pays to make sure.

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.

Here are some links that may help Electronics Water Damage, ZTE ZFive G LTE Repair.

If you do see evidence of water damage 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

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.

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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