Samsung's flagship announcements have become cornerstones of the Android upgrade cycle. Just like last year, the company has announced two new Galaxy-branded phones at Mobile World Congress in Barcelona: the Galaxy S7 and Galaxy S7 Edge. Both phones are modest bumps over their previous designs, both in terms of hardware and style, but there are some notably improved features that power users and practical consumers will both appreciate.

The new phones bring back two of the most-missed features that were dropped from the S6 generation: expandable storage (via MicroSD cards) and water-resistant bodies. The former comes from a new "hybrid" nano-SIM tray, which houses both the SIM card and the MicroSD card in a single metal tray that slides out via a standard SIM tool.

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