Even smartphones rated IP68 should not be seen as fully waterproof devices that can be freely used underwater, the article says. Prolonged use at pools or beaches can lead to water damage, and most manufacturers do not cover such damage under warranty. IP tests are conducted under limited depth and time conditions set by each maker and typically use fresh water, making protection less reliable in seawater or chlorinated pools.

Render images and key specifications for a device believed to be Samsung Electronics\' next flagship smartwatch, the Galaxy Watch Ultra2, have been disclosed. The leak points to a roughly 12 percent thinner body, a larger battery rising to 800 mAh from 590 mAh, and a display brightness increase to up to 5,000 nits from 3,000 nits. It also cites IP69K protection and a Qualcomm Snapdragon Wear Elite chip.