The iPad Mini 4(stylized and marketed as iPad mini 4) is the fourth-generation iPad Mini tablet computer designed, developed and marketed by Apple Inc. It was announced along with the iPad Pro on September 9, 2015, and was released the same day. The iPad Mini 4 is also one of the two current iPad Minis sold by Apple, along with the iPad Mini 2; the iPad Mini 4 replaced ipad mini 3.The iPad Mini 4 ships with the iOS 9 operating system pre-installed, and was the first device to do so. Due to an additional 1 GB of RAM compared to the previous generation’s Mini, the iPad Mini 4 is capable of utilizing the Slide Over, Split View and Picture in Picture multitasking functions in iOS 9.
The device is compatible with iOS 9.1, which was released on October 21, 2015, which adds the News app for the UK and Australia as well as additional emoji and other bug fixes.