the Galaxy S6, Galaxy S6 Edge, Galaxy Note 5, and Galaxy S6 Edge all these models as usual had the micro SD. This year S7 with designed it like Apple, and this experiment back fired them. Ultimately Samsung had to change their mind and come up with micro SD year 2016.
As per some blogs of Samsung , its rumoured Galaxy S7 will house a 5.2-inch display. It adds that the Samsung Galaxy S7 Edge will also launch alongside the Galaxy S7. The Edge variety will include a larger 5.7-inch curved edge display. It adds that the display will be curved from the top and bottom as well, and not just on either side as seen in current ‘Edge’ models from the company.
It is also rumored3D Touch-like pressure sensitive display, similar to what we have seen in Apple iPhone 6s and iPhone 6s Plus.
A new alloy seal for this device is rumored to be built of magnesium. This will make the look of phone more classy and tuff as well. The glass back panel would stay the same as seen with Galaxy S6 and other high-end Samsung handsets this year.
The recently announced Britecell camera sensor, with enhanced low light capabilities, is also expected to ship first with the Galaxy S7.