What to do if the version 1.1.137 of the Redmi Watch 5 cannot reconnect after being bound to an iOS phone?

In order to provide you with a more stable experience, we would like to remind you to simply optimize the operation of the relevant devices.
If the Redmi Watch 5 cannot reconnect to an iOS phone after binding, please refer to the following details:
1. Please upgrade your Redmi Watch 5 to the latest version (Mi Fitness APP >> [Device] >> [More settings] >> [Device update]). The new system version not only fixes past problems but also optimizes for performance and compatibility;
2. You need to enter the system Bluetooth interface to restart Bluetooth ([Settings] >> [Bluetooth] >> operate Bluetooth switch to restart Bluetooth).