Replaceable batteries require thick case and also it's not easy to make the case waterproof. Consumers prefer thin waterproof cases.
I think most people prefer an older phone style. The difficulty is that the screen implies a large surface which then requires thinness to not have a problem of large volume as well as general awkwardness.
I think most people prefer an older phone style. The difficulty is that the screen implies a large surface which then requires thinness to not have a problem of large volume as well as general awkwardness.