I want to exchange my iPhone 14 Pro Max

Today I received an iPhone 14 pro max 128 gb . My concern is that I want to exchange it for 14 pro max 256 gb . But the problem is that the seal is already broken as I have already opened it to feel

my new phone . And I just changed my mind to upgrade to 256 gb from 128 gb by giving extra money for the price of 14 pro max 256 gb . Is it possible now ? Please let me know .

[Re-Titled by Moderator]