Pop up keeps asking for update but it's upto it's current feature
According to the Iphone and Itunes, My Iphone ios is updated to the current available software which is 9.1
But this keeps popping up everytime i use the phone
"A new iOS update is now available. Please update from the iOS beta."
when i click update, it checks and said it's upto it's current iOS, how do i stop this pop up
iPhone 5c, iOS 9.1