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FIRMWARE DETAILS

iOS 17.4.1

Build: 21E236Mar 21, 2024Restore IPSW
Stable

View details

Filename
iPhone11,2,iPhone11,4,iPhone11,6_17.4.1_21E236_Restore.ipsw
File size
7.68 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
4ce6ab032c4d366ce2d4aca4356bc68490fc3ba4de153fa994db56b46a07f521
SHA-1
d75297780b94b118610e1746e8d27de35fbb464d
Required starting builds
Not reported
Board restrictions
Not reported

Compatible hardware (3)

iPhone XS iPhone11,2IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTC
Unknown
iPhone XS Max iPhone11,6IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTC
Unknown
iPhone XS Max (China mainland) iPhone11,4IPSW.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

AppleDBhttps://api.appledb.dev/ios/iOS%3B21E236.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 35d6f74f80d62b482e435ab6b7815260

IPSW.mehttps://api.ipsw.me/v4/device/iPhone11%2C6?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 10:59 PM UTC
Record fingerprint: 34c508fa61205e7231d72ebc6cc81b16

IPSW.mehttps://api.ipsw.me/v4/device/iPhone11%2C4?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 10:59 PM UTC
Record fingerprint: 632a304b6aaef31c64b875d930bea2cd

IPSW.mehttps://api.ipsw.me/v4/device/iPhone11%2C2?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 10:59 PM UTC
Record fingerprint: 33f16e8e0004d72436da1efe32265892