Remember when the good folks at Microsoft told us there'd be more to come from the Lumia family of devices? Well, true to its word, the company has just announced three new smartphones, the ultra-slim Lumia 830, as well as the dual-SIM capable Lumia 730 and 735 models. As Microsoft continues to restructure and realign Nokia in an attempt to find some relevance in the mobile space, it will be hoping that the flagship Lumia 830 will offer enough appeal to compete with the latest offerings from Samsung and Apple.