FIRMWARE DETAILS

iOS 17.0.3

Build: 21A360Oct 4, 2023Restore IPSW

Stable

View details

Filename: iPhone11,8_17.0.3_21A360_Restore.ipsw
File size: 7.41 GB
File type: Restore IPSW
Download host: updates.cdn-apple.com
Link availability: Not verified
Source did not report availability
Last link check: Not checked
SHA-256: 5147b592a12de1fea3eda28d42fad22335a2a312ca44a573b32a5741b47a1a4f
SHA-1: 9fff8320ebf05a666c836fedeef69a89684e8b61
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone XR iPhone11,8IPSW.me public API retrieval · Oct 22, 2026, 8:59 AM UTC

Unsigned

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

Source provenance

IPSW.mehttps://api.ipsw.me/v4/device/iPhone11%2C8?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 10:59 PM UTC
Record fingerprint: 29827f960dfc63aba930143d2d402420