Remove the SIM tray; the model number is etched on the upper side of the SIM slot.
Understanding Your Apple Model Number: The Ultimate Identification Guide apple model number
A-number (e.g., A2848) is essential for identifying the exact hardware generation and version, which determines carrier compatibility and available spare parts. You can cross-reference this number on the Apple Support Identity Page to verify the official model name and specifications. Apple Support +3 For Mac users, select the Remove the SIM tray; the model number is
Choose the Apple menu () > About This Mac . This shows the model name and serial number. Remove the SIM tray