Please follow the below steps:
1. Switch the network to see if the issue is affected by the network.
2. Log out of the app and log in again.
3. Confirm whether the app version is the latest. If it is not the latest version, please update the software to the latest version.
4. Restart the phone.
5. Compare other mobile phones in the same network environment to see if there is the same issue. If so, it is recommended that you contact the app creator.
6. Uninstall and reinstall the application.
7. Backup data and restore factory settings.
If the issue persists, contact the Nothing Support Team for further assistance.