FIRMWARE DETAILS

iOS 17.0.3

Build: 21A360Oct 4, 2023Restore IPSW

Stable

View details

Filename: iPhone12,8_17.0.3_21A360_Restore.ipsw
File size: 7.27 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: 1be80e115e2a4925823f0433ef0244776fd4757d0e7e72cf2a95bc5efd086d5f
SHA-1: 81f0ceb557ff638e8388d32a8f7d28067e549227
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone SE (2nd generation) iPhone12,8IPSW.me public API retrieval · Oct 20, 2026, 10:51 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%2C8?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 1763c96cbbf883adbc42ff0dc5bd0938