How can I find out about my iPhone replacement details?

i bought a phone on Dec 20 2024 and on Jan 09 2025 the phone was not charging i took it back to the retail store they it back to an authorized apple supplier for testing and stuff, i checked the phone's warranty coverage yesterday and it says the device has been replaced so i want to get the details of the replacement device if at all they are available.

[Re-Titled by Moderator]