I've a Mi Band 4, some time ago i removed the settings on mi band from the app. Now i can't link the band with my phone because a problem of the band and i need to restore the factory settings. There's a way to restore without the settings on mi band.
The following tutorial shows all methods of master reset XIAOMI Redmi Smart Band 2. Check out how to accomplish Hard Reset by hardware keys and settings. As a result your XIAOMI Redmi Smart Band 2 will be as new and your cores will run faster. How to hard reset XIAOMI Redmi Smart Band 2. Warning!
Mi band 5, iphone - can't connect with app. I tryed off/on bt, factory reset, redownload app, forget device on phone. I'm able to see device on connected devices on my phone, get notifications from my apps but can't make it work with my app. Someone similar problem?
Then, the message "Restore factory settings" will appear. With a tap on it is the Mi Band 2 reset. This may require you to confirm on the Mi Band, by tapping on the Display. In addition, a four-digit Code will need to enter you in the App. After that, the Mi Band, the Mi is connected to-Fit App on the new Smartphone.
6. Factory reset. If all else fails, performing a factory reset can help resolve complex software issues. Before proceeding, make sure to back up your important data as the reset will erase all data on your phone. Go to “Settings” > “About phone” > “Factory reset” and follow the on-screen prompts to initiate the reset.
Blood oxygen tracking. The Chinese Mi Band 5 also gets a built-in SpO2 or blood oxygen tracker. This was absent from the Mi Band 4. The tracker can apparently detect your blood oxygen saturation
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mi band 5 factory reset