FIRMWARE DETAILS

iOS 17.0.3

Build: 21A360Oct 4, 2023Restore IPSW

Stable

View details

Filename: iPhone12,1_17.0.3_21A360_Restore.ipsw
File size: 7.29 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: ac7eec3ac8dfb344cc93467e492ec42f0cbbbc69b457340328da407eb07ddac7
SHA-1: a115bb4768a2965c1981afdbd14da611ffb45b7f
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 11 iPhone12,1IPSW.me public API retrieval · Oct 22, 2026, 10:02 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/iPhone12%2C1?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: a81278f97d2e5b7822bf43e3850aff0f