It must have been one of the few well-made smartphones back then. It's still hard to make a perfectly waterproof seal that last for years and is inexpensive eno

It must have been one of the few well-made smartphones back then. It's still hard to make a perfectly waterproof seal that last for years and is inexpensive enough to use on a smartphone. Some team has to sit around designing it, so without the removable battery and seal they could in theory be freed up to do something else Just because something is possible to do, doesn't mean every manufacturer wants to do it