The IP Code has two ratings, each represented by a single numeral, with larger numbers reflecting higher degrees of protection. The first character of the IP Code is for particles, ...

We've observed a trend toward increased water resistance in mobile devices, but “water resistant” is not a one-size-fits-all term and it does not mean the same thing as “waterproof”.

The "IP" in "IP code" stands for Ingress Protection. IP codes are standards set by the International Electrotechnical Commission (IEC) to measure the "degrees of protection provided by enclosures ...

An Ingress Protection (IP) code will tell you about a phone’s water and particle resistance, making it easier to compare different models. So, what does this all mean for the iPhone 15 series?