If the charging case of the Redmi Buds 6 Active isn't charging, please refer to the following methods:
1. Ensure the charging cable is securely connected to both the charging case and the power source;
2. Make sure the charging ports on both the charging case and the adapter are clean and free from debris;
3. Use a different charging cable and adapter to test if the problem persists. This can help identify if the issue is related to the charging accessories;
4. Check if the cable and adapter work properly with other devices. This can help determine if the problem lies with the charging accessories or charging case;
5. If all these steps don’t work, please contact customer support for assistance.