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Support and repair information for the Xiaomi Mi Band fitness tracker.

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Mi-Band 5 got water damage and broken screen

My Mi band 5 stopped working after water got in a crack in the screen.

is there any way to repair the screen and/or the water damage?

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Mi band 5 display is broken but display is good work

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Hi @tesla_fan_boy

The impurities in the water causes corrosion and provides circuit paths for the electricity which were not in the tracker'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 device and then remove the battery as soon as possible from the device to minimize any further damage.

Then you need to dis-assemble the rest of the device 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. The ends of any flex cables and their connectors need to be cleaned as well

Here is a video that shows how to disassemble the tracker that may help.

Replacement screens are available online. Just search for Touch Screen LCD Display External Screen Spare Part for Mi Band 5 Mi Band 5 NFC to get results for suppliers that suit you best.

If this process seems too daunting, take your device to a reputable, professional electronics or 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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Thanks for the response Jayeff!

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Yonatan will be eternally grateful.
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