
The Xiaomi Mi Smart Band 4 includes a Factory Reset option inside its on-band Settings menu. Use it when you intentionally want to return the band to its default state.
[reference] Title: Settings Path Text: Open More, then Settings, and select Factory Reset. Title: Reset Result Text: The band returns to its factory settings and its stored data is reset. Title: After Reset Text: The band needs to be paired again before normal connected use. [/reference] [warning] A factory reset removes data stored on the band. Data that has not been synchronized may be lost, so use this setting only when you intend to reset the device. [/warning]Open Factory Reset
Press the Touch Sensitive button to bring up the main screen.

Swipe through the band menu until you see "More" and tap it.

Scroll through the More menu and tap Settings.

Scroll down and tap Factory Reset.

Review the confirmation shown on the band, then confirm the reset. On the interface shown here, tap the checkmark to continue.
