How to find out iPhone purchase date?

This is a user to user forum. We, users, have no way of knowing that information.

Please do not post your IMEI number in a public forum were anyone can see it, its a security risk to you.

You can enter your IMEI number at https://checkcoverage.apple.com

Apple Hardware Purchase History:

1. Click ▶︎ Apple online store.
2. Click on the item from the list that appears.
3. View or print this page (invoice).