FIRMWARE DETAILS
iOS 17.3
Build:
21D50Jan 22, 2024Delta OTARelease CandidateStable
View details
- Filename
9c0ac1bfd2d640492451e3229453c17b73b09a69.zip- File size
- 3.26 GB
- File type
- Delta OTA
- Download host
updates.cdn-apple.com- Link availability
- Not verified
Source reports active
- Last link check
- Not checked
- SHA-256
4a926f9d3700a18f97803d8f69a06632dc932c5a8bbf1f58c283548a3de2e987- SHA-1
033ce49627c0172cc75b15f87e0eb6074d6b2dec- Required starting builds
20F66, 20F75- 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 11 Pro Max
UnknowniPhone12,5Signing 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