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The 2017 flagship cellphone for ZTE, model number Z982. It features a 6" display, USB-C, and runs on Android 7.1.1 Nougat.

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Work only when it's conected

My phone Z983, work only when it's charging,

It was wet, I dried out and after the next day, I checked.

I changed the battery, but works only when it's conected

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@rzamoral β€œIt was wet, I dried out and after the next day, I checked. β€œ most likely liquid damage on the main board/charging board. For now stop continuing to try to charge, sync or otherwise use your phone. This potentially can make a bad situation worse as this may further damage your phone.

The next thing to do is to clean it. Disassemble your phone using ZTE Blade Z Max Repair . You must remove all EMI shields. If you do not remove those, you might as well not do anything. After you removed those, clean the whole board, connectors and all with +90% isopropyl alcohol. Follow this guide , and even so it was written for an Apple iPhone 3G all the points are still pertinent to your phone. While you clean your board, check for any obvious damage, like burned or missing components etc. When it is properly cleaned, replace the battery. All these steps are to avoid delayed failure caused by corrosion. Best thing to do would be to clean it with an ultrasonic cleaner, but if you do not have access to one, this will at least help. Once all this is done, reassemble your phone and reevaluate. Until it is cleaned, everything will only be a guess. Even with all this, water damage has only a small chance to be fully repaired, but at least you can give it a try.

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Rafael Zamora will be eternally grateful.
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