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FIRMWARE DETAILS

iOS 17.5

Build: 21F79May 13, 2024Restore IPSW
Release CandidateStable

View details

Filename
iPhone11,8_17.5_21F79_Restore.ipsw
File size
7.62 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
6b1946ad1f10e21007236eae34cd11009034b9d5c5c30068c5bf841fc8843b55
SHA-1
6eb50b734d73dc8821e3c7815539184e2c3f5201
Required starting builds
Not reported
Board restrictions
Not reported

Compatible hardware (1)

iPhone XR iPhone11,8IPSW.me public API retrieval · Oct 23, 2026, 12:58 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%3B21F79.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: fad1f444ed45a9b0b4e75442c2a737cc

IPSW.mehttps://api.ipsw.me/v4/device/iPhone11%2C8?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 10:59 PM UTC
Record fingerprint: 043532624c310b7f03f2e5a583ce9678

AppleDBhttps://api.appledb.dev/ios/iOS%3B21F79-RC.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 2cce62a34025b5a2ae1d1605ae45809f