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IP68 water resistance is no exception: Shower steam can cut smartphone lifespan

Smartphones rated IP67 or IP68 can still be vulnerable to hot shower steam and heat, requiring caution. IP ratings indicate resistance to liquid water and dust under controlled test conditions, but high temperature and humidity in bathrooms can cause condensation that may seep into ports, speakers, buttons and seals. Repeated exposure can weaken internal adhesives and waterproof sealing. Apple and Google advise against using iPhones and Pixel phones in showers or saunas.