How to Check When Your iPhone Was Manufactured. Web  The serial number of your iPhone already contains all the information about your iPhone manufacturing date. But, in order to crack the mystery, you need to learn how to decode it. The fourth character in the code reveals when exactly your device was.

Web  Where is the production date in the serial number of an Apple device until 2021. DNP CJ 3X073N (iPhone11 Model) Finding the date of manufacture in the serial.