FIRMWARE DETAILS

iOS 17.1

Build: 21B80Oct 25, 2023Restore IPSW

Stable

View details

Filename: iPhone16,1_17.1_21B80_Restore.ipsw
File size: 8.20 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: ed8e57a96a1e2034a1fa7936f978ea533dd9f78a263daf7be8725555f245deb8
SHA-1: 25bd78b09369466fcc0644f5b1d66d5798a74c96
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 15 Pro iPhone16,1IPSW.me public API retrieval · Oct 22, 2026, 10:56 PM 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/iPhone16%2C1?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 73d862ab363740b7870e41dfb5897b28