If the touchscreen of your Xiaomi Smart Band 8 Active is not responsive, you can try the following steps:
1. Ensure the screen is clean and free of any dirt, dust, or smudges. Use a soft, lint-free cloth to gently wipe the screen;
2. If you are using a screen protector, it can affect the touch sensitivity. Try removing it to see if the sensitivity improves;
3. Restart your device by powering it off and then turning it back on;
4. Ensure your device is running the latest firmware version. Check for updates through the Mi Fitness App and install any available updates;
5. Ensure the device surface is dry. Moisture or sweat on the screen can affect touch sensitivity. Dry the device thoroughly if it is wet;
6. If none of the above steps work, consider performing a factory reset. This will restore the device to its original settings;
7. If the issue persists, please contact the after-sales service center for further assistance.