I purchased an iPhone 6 Plus using one of my Verizon upgrades. It was preordered on the 12th, and arrived on the 19th. I believe I activated it on the 19th. I need to return the phone, and if I return it to Apple, does my Verizon upgrade automatically go back to my account? Is the return period for Verizon 14days from activation, or form order date (9/12)? Thank you.