[doublepost=1508861468][/doublepost]Unlocked phones from US Apple Stores will work on any network including CDMA. My unlocked iPhone 7 bought unlocked from Apple has been used on ATT, Sprint, Telstra (Austrlia) and o2 in the UK. doubt they will have day one in stores in the US.I believe if you buy it outright at the Apple store it will be unlocked. No need to request an unlock. They sell you as "Device Only" so it won't require activation. Yes it will work on any GSM carrier. It will not work on CDMA carrier like Verizon and/or Sprint or any CDMA networks out there.