The difference between the 4 & 4S is simply the size. They also announced the new AMOLED display Venu watch, which I cover in a different post. Ultimately though the Vivoactive 4 and Venu watches are *identical* in features and functionality. You could hold the two watches side by side and go through every button press the exact same way and
Yes you can put a iPhone 4 display assembly on a iPhone 4S. I have put a Verizon iPhone 4 screen on a iPhone 4S and it works perfectly. Only modifying was the bracket near the SIM card holder has to be cut off the Verizon iPhone 4 screen because the Verizon iPhone 4 doesn't have a SIM card holder. When putting it on this bracket hits about deadHow is the newest Apple iPhone 4S different from the last? Scott Lowe and IGN compares the biggest features and differences. IGN's YouTube is just a taste of our content!The Garmin Vivoactive 4 is a solid upgrade to the Vivoactive 3 series. You get a larger display and longer battery life, 3.5GB of storage space for offline music, and support for more activities 59Xk.