How water-resistant is the iPhone, really? [duplicate]
Apple's technical support document suggests avoiding taking an iPhone into a steam room:
About splash, water, and dust resistance of iPhone 7 and later
Learn about splash, water, and dust resistance on your iPhone. And learn what to do if your iPhone gets wet accidentally.
...
To prevent liquid damage, avoid these:
- Swimming or bathing with your iPhone
- Exposing your iPhone to pressurized water or high velocity water, such as when showering, water skiing, wake boarding, surfing, jet skiing, and so on
- Using your iPhone in a sauna or steam room
- Intentionally submerging your iPhone in water
- ...
Strictly speaking, iPhone 8/8 Plus/XR are rated as IP67, later models as IP68. See Wikipedia for details, Apple claims 30 minutes at a depth of 1 meter for IP67, 30 minutes at a depth of 4 meters for IP68.