- The device display (0/5) means it is offline, and the user needs to confirm the status of the device (after going online, the binding cloud storage is normally activated).
- Whether the user is the sharer of the device, if it is the sharer, the cloud service cannot be bound.
- Whether the mobile phone device used by the user is the main device (the device that uses the account to log in for the first time and the APP in the device is still working normally), the use of the corresponding function needs to be operated in the main device.