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 top-left corner human button.
2. Tap your avatar.
3. Tap Logout.
Notice: Re-installing the U-tec app or switching the user account will not affect the user data. Please don't worry.