Scenarios:
- Switch the user account or log in again;
- Received the error message "Failed to get device list";
- Added the device but can not find it in the device list.
Steps:
1. Tap the upper-left button to access the "My U-tec" page.
2. Tap your U-tec account.
3. Tap "Logout".
Notice: Re-installing the U home app or switching the user account will not affect the user data. Please don't worry.