Iphone ios 15 vs 16 July 8, 2019 16 32 64 128 Iphone 8 ios 15 vs 16 Iphone xs ios 15 vs 16 Iphone xr ios 15 vs 16 Ios 15 vs 16 iphone 11 Iphone 13 battery life ios 15 vs 16 Iphone 13 mini ios 15 vs ios 16 Iphone 12 ios 15 vs 16 Iphone 13 pro ios 15 vs 16