Iphone 11 light sensor July 8, 2019 16 32 64 128 Iphone 11 light sensor not working Iphone 11 ambient light sensor Iphone 11 ambient light sensor not working Iphone 11 pro light sensor problem Iphone 11 ambient light sensor bracket Iphone 11 ambient light sensor location Iphone 11 pro max ambient light sensor Iphone 11 light not working