My Samsung S5 was water resistant (IP67) and had user-replaceable batteries. They solved it by having an "O-ring" gasket around the periphery of the case[1]. [

My Samsung S5 was water resistant (IP67) and had user-replaceable batteries. They solved it by having an "O-ring" gasket around the periphery of the case[1]. [1]: https://www.tomshardware.com/reviews/samsung-galaxy-s5-smartphone,3908-3.html https://www.tomshardware.com/reviews/samsung-galaxy-s5-smart...