is considered a legacy device. While it was a pioneer for features like and the Touch ID sensor, it no longer supports modern iOS versions. Apple iPhone 6 - Specifications - DeviceSpecifications
: When Apple releases iOS updates, the .ipsw files contain specific components for each board ID to ensure hardware compatibility. is considered a legacy device
The identifier refers to the main logic board motherboard designation for the iPhone 6s . In Apple device forensics, repair diagnostics, and internal schematics, this code is used to distinguish this specific model from other variants (such as the "Plus" model) and generation iterations. and internal schematics
