Apple 129 ipad pro 64 gb 2017 cellular ios 10 264 pixels per inch apple a10x processor over 1 million apps available from the app store touch id fingerprint sensor overview type ipad pro operating system ios 10 specification processor apple a10x processor storage 64 gb screen touchscreen multi point touchscreen screen size 129 screen type retina display resolution 2732 x 2048 pixels per inch 264 ppi screen features led backlighting promotion technology wide colo