What is the lock with circle around it mean and how to turn it off?

[iMore Question]

what is the lock with circle around it mean and how to turn it off

little lock icon by battery. Grandson playing with phone. Don't know what it is for and how to get it off

 

[Sherry_B]

Re: what is the lock with circle around it mean and how to turn it off

Welcome to iMore!

Sounds like you have the screen orientation lock turned on. Slide up from the bottom of the screen and tap the icon next to the moon.