Xiaomi Smart Band 9 Active - Pink

The battery can last up to 18 days in typical usage mode and 9 days in heavy-load mode.

Yes, it has 5ATM water resistance, making it suitable for swimming and showering.

Yes, you can customize the watch face with over 100 options available through the app.

Yes, the band monitors sleep stages, including light sleep, deep sleep, and REM sleep.

It is compatible with both Android and iOS devices.

Firmware updates are done through the companion app. Ensure the band is connected to your phone during the update process.

Please refer to the product documentation or retailer for warranty details. Standard warranty periods are usually one to two years.

Ensure the device is charged. If charged, try restarting the device by holding the power button.

Make sure Bluetooth is enabled on your phone and the band is within range. Restart both the band and the phone, and try again.

Ensure the band is properly fitted on your wrist and the sensor is making good contact with your skin. Tighten the strap slightly during workouts.

Check your usage patterns. Some features like continuous heart rate monitoring can drain the battery faster. Reduce the screen brightness.

Try restarting the device. If the problem persists, reset the device to factory settings through the app.