A1778
Quick Info
- Earliest Firmware
- iOS 10.0.1
- September 13, 2016
- Latest Firmware
- iOS 15.8.8
- May 11, 2026
- Total Firmware
- 104 releases
- Support Span
- 9 years 7 months
About model A1778
The model number A1778 belongs to the iPhone 7 (GSM) (device identifier iPhone9,3). 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.