Why does the camera not work correctly (smartphones / tablets)?
If you have problems with the camera of your smartphone / tablet, then maybe the following tips will help you.
Clean the camera lens
Restart the device. Hold down the power button and then tap Restart
Empty the cache of the app. Open the Settings > Apps > Camera app menu > open it and tap Clear cache
Update the Camera app in Google Playstore under "my apps and games"
Check if other apps are interfering with the camera. If you recently installed apps that have access to your camera, please disable or uninstall them.
Please note that there are different Android versions and therefore there may be deviations in the naming of the individual points. With the error description you have provided our diagnostic app can determine if it is a fault. Simply download the app to your device, start and if an error is detected you can directly trigger a repair order.