A1203
Quick Info
- Earliest Firmware
- iOS 1.0
- June 28, 2007
- Latest Firmware
- iOS 3.1.3
- January 22, 2010
- Total Firmware
- 18 releases
- Support Span
- 2 years 6 months
About model A1203
The model number A1203 belongs to the iPhone 2G (device identifier iPhone1,1). 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.