FIRMWARE DETAILS

iOS 17.1

Build: 21B80Oct 25, 2023Restore IPSW

Stable

View details

Filename: iPhone15,5_17.1_21B80_Restore.ipsw
File size: 8.02 GB
File type: Restore IPSW
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 1cf6f5567a3042ece212007472639f184473d68a6a6db6da015c2041964451fe
SHA-1: b4d9012f774fd05309d089f6dfa3d00454fe742a
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 15 Plus iPhone15,5IPSW.me public API retrieval · Oct 21, 2026, 12:57 AM UTC

Unsigned

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

Source provenance

AppleDBhttps://api.appledb.dev/ios/iOS%3B21B80.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 0c4ce2fa2e67994f9d70a827901c0dd4

IPSW.mehttps://api.ipsw.me/v4/device/iPhone15%2C5?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: eabfee1c7ad9d653e9e619a1866ae3e7