1. To check whether the device is connected by other mobile phones, you can turn off or unbind the mobile phone's Bluetooth first, and then use the current mobile phone to search and bind;
2. On the mobile phone, try to ignore the device in the system Bluetooth device, the setting path: System Settings-Bluetooth-Ignore this device;
3. If the phone still cannot be searched after it is close to the watch, you can try to restart the Bluetooth of the phone;
4. If the above operation cannot be solved, please restart the device and mobile phone and try again.