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FIRMWARE DETAILS

iOS 17.3

Build: 21D50Jan 22, 2024Full OTA
Release CandidateStable

View details

Filename
afbf5f7f07a8fb9c0fc966ee7b09d3c37d3a6d1a.zip
File size
6.08 GB
File type
Full OTA
Download host
updates.cdn-apple.com
Link availability
Not verified

Source reports active

Last link check
Not checked
SHA-256
255aa2500bb57301f97991727583d920ee1f7cbbce34590a8039bb571d3f84dd
SHA-1
b547359c8b830e7861de72a4aa09bd838cfbdac4
Required starting builds
Not reported
Board restrictions
Not reported

OTA packages can require an exact starting build and board. A matching hardware identifier alone is not sufficient for installation.

Compatible hardware (1)

iPhone 13 iPhone14,5
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%3B21D50-RC.json ↗

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

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

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