FIRMWARE DETAILS

iOS 17.1

Build: 21B80Oct 25, 2023Restore IPSW

Stable

View details

Filename: iPhone16,2_17.1_21B80_Restore.ipsw
File size: 8.21 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: 30a56365238ab56ca2f14348450fa0f9c62c0e0008783d0302414a37cc1b3f61
SHA-1: 1e19c704337bcadf564b04552f2159cc819c848b
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 15 Pro Max iPhone16,2IPSW.me public API retrieval · Oct 23, 2026, 6:20 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/iPhone16%2C2?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: a82c368926d6a07b18927950f04a10e4