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FIRMWARE DETAILS

iOS 17.1

Build: 21B74Oct 25, 2023Restore IPSW
Release CandidateStable

View details

Filename
iPhone13,2,iPhone13,3_17.1_21B74_Restore.ipsw
File size
7.86 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
bef9b6889892bf64fb91586773fb1484b47f3482714e9ae741f12f00c6608d8d
SHA-1
b1ae7cb2e908d8300bd9f2b34ab1188971cb3a57
Required starting builds
Not reported
Board restrictions
Not reported

Compatible hardware (2)

iPhone 12 iPhone13,2IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTC
Unknown
iPhone 12 Pro iPhone13,3IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTC
Unknown

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

Source provenance

IPSW.mehttps://api.ipsw.me/v4/device/iPhone13%2C3?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: deb01d55621633402ed5f8167c994b97

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

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

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

IPSW.mehttps://api.ipsw.me/v4/device/iPhone13%2C2?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 08b7f783235771a4f730b969338c891b