1. Whether the App is the latest version.
App upgrade method:
For Android users, on the homepage of the App, click Mine > About > Check for updates. When there is a new version, click Upgrade.
For iPhone users, go to App Store and search for O-KAM to see whether there is new version.
2. Delete the camera on the App, then reset and add it again.
3. If you tried all the steps above and still have trouble, please contact after-sales.