Reapply your fingerprint lock and place your finger properly.
Just format the device..
Why r u laughing man
It's just strange and disheartening...
No it's not available
Reinstall the app again..
No you can't use them simultaneously
And 9 hrs when you enable dark mode and eye protection
6 to 7 hours
CAN A NICE PERSON GIVE ME A BRIEF EXPLANATION OF THIS PLEASE....