2 17.5 July 8, 2019 16 32 64 128 2 * 17.50 2 17.5nm 17.5 2 ios 17.5 2 ios update 17.55 2 17.58 2 17.52 2 17.59 2 17.54 2 17.5 2 3 17.51 2 17.57 2 17.500 2 17.5 2 update
