While bigger screens are nice, the downside to larger 4.7” and 5.5” iPhone models is that they can be more of a challenge to handle, making protective cases all the more necessary. This is clearly where GettaGrip is going with its new Grip2ü Boss ($30) for the iPhone 7 and iPhone 7 Plus — a case designed to not only provide drop protection, but hopefully to prevent you from dropping your iPhone in the first place. The case is made from…