For this question, you can according to the following steps, which will help out.
1. When you open V380 App, click Local Login;
2. If popped up ''User name or password is wrong'' text, click ''confirm''; then delete device.
3. Restart to search for device;
4. It will add automatically your available device, then tap on Edit & Enter the Password then confirm; now it should be work.
Note:If you are still getting errors, following thses steps:
Step 1: Try to re-open the AppStep 2: Clear the App data force stop App, sometimes it works by these.