Please follow steps below for troubleshooting:
- Check flashlight condition by tapping upper-right lightning icon after launching Camera
- Launch FlashLight app to check if it works
- 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