Models that are splash, water, and dust resistant
Models with a rating of IP68 under IEC standard 60529 at a maximum depth of 4 meters, up to 30 minutes:
iPhone 11 Pro
iPhone 11 Pro Max
Models with a rating of IP68 under IEC standard 60529 at a maximum depth of 2 meters, up to 30 minutes:
iPhone 11
iPhone XS
iPhone XS Max
Models with a rating of IP67 under IEC standard 60529 at a maximum depth of 1 meter, up to 30 minutes:
iPhone SE (2nd generation)
iPhone XR
iPhone X
iPhone 8
iPhone 8 Plus
iPhone 7
iPhone 7 Plus