Can i upgrade my Iphone7 plus to Ophone 13 pro

Yes you can. 😉

Shop one-on-one with a Specialist at an Apple Store.

▷ Reserve a shopping session. 

After you have received and setup your new iPhone 13 Pro, the next step is:

▷ Apple Trade-in here. 

You need to enter your product serial number and answer some simple questions to receive a price quote. 😉

Sure. You just have to pay for it. But there are other things like having a cellular plan that includes regular upgrades with a contract as well as trade ins. Regardless of how you upgrade, you're going to have to pay one way or another.