Several factors will lead to the data synchronization failure between the Xiaomi Watch 5 and the App, such as the Bluetooth connection status, the App running status, or a lack of App operation.
If the Xiaomi Watch 5 cannot sync data with the Mi Fitness App, please refer to the following methods for troubleshooting:
1. Please make sure your phone's Bluetooth is turned on, and the Xiaomi Watch 5 and your phone are properly connected.
2. Please keep the Mi Fitness App running in the background.
3. Manually tap the sync button in the Mi Fitness App to initiate synchronization.
4. If the above steps do not resolve the issue, please apply for the professional after-sales inspection.