1. Tap the faulty device in the device list to enter the device's control panel.
2. Tap the button in the upper right corner to enter the device setting page.
3. Tap “Remove Device—Disconnect and wipe data” to remove the device from the device list and clear all data related to the device.
4. If your device is offline, your device will unable to restore factory settings, because the device cannot communicate with the App and the cloud after it is offline.

Note: If you just click Disconnect, the App will only remove the device from the App, and will not delete any data on the device, nor will the device enter the pairing mode (some devices have their own logic to automatically enter pairing mode after disconnection).