1650
It's official: Smartphones will need to have replaceable batteries by 2027
(www.androidauthority.com)
This is a most excellent place for technology news and articles.
Waterproof ratings are all nonsense anyways IMO. The way appliances are tested does not take into consideration human error.
Gotta drop the phone a couple times onto concrete to simulate how morons like me treating it, then check its water resistance.