It removed support for device encryption, which an Amazon spokesperson stated was an enterprise-oriented feature that was underused. Parental controls were enhanced with a new web browser for FreeTime mode featuring a curated selection of content appropriate for children, and an Activity Center for monitoring children's usage. It also introduced On Deck, a function that automatically moves content out of offline storage to maintain storage space for new content the Word Runner speed reading tool and screen color filters. The home screen has a traditional application grid and pages for content types, as opposed to the previous carousel interface. Fire OS 5īased on Android 5.1 'Lollipop', it added an updated interface. Unlike previous Fire models, whose operating system was described as 'based on' Android, Fire OS 3.0 was described as 'compatible with' Android.
Amazon began referring to the Android derivative as Fire OS with its third iteration of Fire tablets.