A3473
Quick Info
- Earliest Firmware
- iOS 27.0
- September 14, 2026
- Latest Firmware
- iOS 27.2
- October 26, 2026
- Total Firmware
- 3 releases
- Support Span
- 1 months
About model A3473
The model number A3473 belongs to the iPhone 18 Pro Max (U.S.) (device identifier iPhone19,3). Apple assigns multiple model numbers to each device for regional and connectivity variants, so one device usually carries several of them.
How do I find the model number on my device?
Open Settings > General > About and read the Model Number field. The number is also printed in the fine print on the back of the device and, on some models, on the SIM tray. Our model identification guide walks through every method.