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FIRMWARE DETAILS

iOS 17.1

Build: 21B74Oct 25, 2023Restore IPSW
Release CandidateStable

View details

Filename
iPhone14,4_17.1_21B74_Restore.ipsw
File size
7.79 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
ad79e7ca6bf7ea7cd653352219bf08be1f1c60d02c4fa4d0f9885ca076d4b492
SHA-1
bfebec2b5098d5f7cda7bfd8a5d00d13857fcd7d
Required starting builds
Not reported
Board restrictions
Not reported

Compatible hardware (1)

iPhone 13 mini iPhone14,4IPSW.me public API retrieval · Oct 22, 2026, 6:47 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%3B21B74.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: ce1037df7218db6f4121eac6e89afc29

IPSW.mehttps://api.ipsw.me/v4/device/iPhone14%2C4?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: b3d5749e84384bbdcef2b3fecf6684ad

AppleDBhttps://api.appledb.dev/ios/iOS%3B21B74-RC.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 596792c64544009bb3cdf2ce13596537