I have a Samsung XCover Pro - it has a removable back, physical buttons, an impressive replaceable battery, a headphone jack... and an IP68 rating. It's probab

I have a Samsung XCover Pro - it has a removable back, physical buttons, an impressive replaceable battery, a headphone jack... and an IP68 rating. It's probably not as repairable as the the fairphone, but clearly it's possible to be waterproof with a removable back/battery and a jack.