The iphone 7 has 4.7 inch display but the iphone 7 plus has got 5.5 inch diplay.The iphone 7 can be brought at $649 but the iphone 7 plus costs $769.Both of the phone has a EarPods with Lightning Connector and a Lightning to 3.5 mm Headphone Jack Adapter. You can preorder both of these phone form tomorrow. You can enroll in the iPhone Upgrade Program online with AT&T, Sprint, or Verizon Wireless.
To enroll with T-Mobile, visit an Apple Store.