https://ja.wikipedia.org/wiki/N-06C https://ja.wikipedia.org/wiki/N-06C https://phonedb.net/index.php?m=device&id=2871&c=nec_medias_wp_n-06c&d=detailed_specs ht

https://ja.wikipedia.org/wiki/N-06C https://ja.wikipedia.org/wiki/N-06C https://phonedb.net/index.php?m=device&id=2871&c=nec_medias_wp_n-06c&d=detailed_specs https://phonedb.net/index.php?m=device&id=2871&c=nec_medias_... NEC Medias smartphone from 2011, removable battery and IPX7 which is waterproof up to 1m deep. It is 8.2mm thick. The Iphone 4S was released that year @ 9.3mm thick. It is possible to make phones that do it, the companies don't want to.