>there should not be a crappy "back cover" which "pops" open. If you do that, you've made a fragile piece of crap with no water resistance I'm quite happy with

>there should not be a crappy "back cover" which "pops" open. If you do that, you've made a fragile piece of crap with no water resistance I'm quite happy with my Samsung Galaxy S5 mini. It is fully waterproof, despite replaceable battery located behind a removable back cover. The cover also never came loose on accident.