Not on both sides and not as fragile as the Samsung Galaxy series.
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Umm wrong. It is having a redesign. Antenna bands are gone. Stereo speakers. No headphone jack. Touch sensitive home button and different colors. That is some good redesign changes. Apple doesn't do that every year. Usuaully every FEW years. So saying it will be redesigned for 2017 is not going to happen.
If it's not redesigned in 2017 sales will be horrendous. I've not yet seen so many folks not interested in the next iPhone.