Which features are affected after disconnecting the Xiaomi Smart Band 9 Pro from the phone?

If the Xiaomi Smart Band 9 Pro is disconnected from the phone, the following features will be affected:
1. You will no longer be able to update the firmware through the Mi Fitness APP. Firmware updates are crucial for maintaining optimal performance and functionality of the device;
2. The band will be unable to retrieve updated weather information, meaning you will not have access to real time weather data directly on the band;
3. The generated workout data cannot be synchronized to the phone in the first time, and the band will lose the information after restoring to the factory;
4. You cannot receive notification reminders from your phone, and the band cannot find the phone.