Please follow steps below for troubleshooting：
- Check if there is dust on the lens or objects block the view
- Tap the screen to focus on a particular object and hold the tablet steady
- Access Safe Mode by long pressing power key > tapping and holding Power Off > tapping OK
If your tablet works well in Safe Mode, there may be some 3rd apps that cause malfunction
Please reboot your tablet and check again if it works well
- Backup your data and perform factory data reset
