FIRMWARE DETAILS

iOS 17.0.3

Build: 21A360Oct 4, 2023Restore IPSW

Stable

View details

Filename: iPhone15,3_17.0.3_21A360_Restore.ipsw
File size: 7.95 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: 2b9df3f6a768e6a3d038bbd89ee2cd97cbdfc81fe9635227e2f586af6dd4a730
SHA-1: 63538386e56ba724161710014db59e19ce4c33a9
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 14 Pro Max iPhone15,3IPSW.me public API retrieval · Oct 21, 2026, 4:01 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/iPhone15%2C3?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 97561fc60e63f4edb94e23bf1d7edd10