Can you use iPhone 11 in water?

It is not waterproof. Using it in water will most likely cause damage not covered by warranty. Don't.

Yes!!! You can use but with its limit you must follow the user guide of apple.

ajinkya16 wrote:

Yes!!! You can use but with its limit you must follow the user guide of apple.

This is very, very bad advice. Liquid damage is NOT covered by warranty. Do NOT use an iPhone in water.