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FIRMWARE DETAILS

iOS 17.3

Build: 21D50Jan 22, 2024Restore IPSW
Release CandidateStable

View details

Filename
iPhone13,4_17.3_21D50_Restore.ipsw
File size
7.78 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
cb7b52be518fd8a83a75f6ce19bf3ed0df1e57089ee72ba9093b12b793ac89a4
SHA-1
2ed4905b965ccd43c0dc0541667d665c2b01ddae
Required starting builds
Not reported
Board restrictions
Not reported

Compatible hardware (1)

iPhone 12 Pro Max iPhone13,4IPSW.me public API retrieval · Oct 21, 2026, 5:43 PM 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%3B21D50-RC.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 4b3232377333738272b60b561711624e

IPSW.mehttps://api.ipsw.me/v4/device/iPhone13%2C4?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 94d75f9048508ad6847c84cb5f5f0c15

AppleDBhttps://api.appledb.dev/ios/iOS%3B21D50.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: b760c8e57a8ccf1aa32ec81eaf502938