Sprint currently has a promotion (50% back in bill credits) on the Apple Watch S5 for those who have cellular service with them and add a new device plan. A friend of mine currently has cell phone service with Sprint and has an AW S4 GPS+Cellular without service and wants to add data to her watch via Sprint. So, we considering buying the AW S5 with new device plan to take advantage of Sprint's ongoing promotion, but she'll switch the device plan to her current S4 and I'll take the S5 and eventually add AT&T service to it. My understanding is that AW are all unlocked and free to use with any carrier. If anything, I foresee some pains with getting the device service transferred from the new AW S5 to the existing AW S4.
Am I right in assuming that this is doable?
Am I right in assuming that this is doable?