According to the Samsung employee, all variants of the Galaxy S7 will use a black chassis for a premium look. Samsung will market the phone's ability to take great pictures at night. With the rumored 12MP camera coming with an aperture of f/1.7, the manufacture will use some sort of slogan like "On the night," whatever that means. The reason for the 12MP camera (down from 16MP on the Galaxy S6) is that Samsung is not focusing on MP count and is looking at sensor size and capacity instead. The camera will employ a dual pixel auto focus similar to what Canon uses on its DSLR cameras. It reduces noise and makes colors more vibrant. And guess what, the camera hump is gone on the new model.
The Samsung Galaxy S7 will be dust and waterproof, according to this anonymous Samsung employee. That was a feature found on the Samsung Galaxy S5 that was removed with the Samsung Galaxy S6. All versions of the phone will contain a hybrid dual SIM slot that allows Galaxy S7 users to employ a microSD card. This is another feature that Samsung removed with the Galaxy S6 and has apparently brought back with the new phone.
Consumers will get to choose from four colors, Black, White Silver, Gold. Perhaps the best news is that the capacity of the battery will be raised on the Galaxy S7.
We should see the Samsung Galaxy S7 and the Samsung Galaxy S7 edge unveiled during the Samsung Unpacked 2016 event on February 21st. That is the day before MWC 20126 kicks off in Barcelona. Outside of the elimination of the camera hump, the design of the Galaxy S7 is said to strongly resemble the Galaxy S6. You can check out images of that model below.
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source: Naver (translated)