FIRMWARE DETAILS
iOS 17.3
Build:
21D50Jan 22, 2024Delta OTARelease CandidateStable
View details
- Filename
cba4cc1975dc0a20d0937f37c1e187d968a4e14e.zip- File size
- 3.98 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
6899429a9c15472a0401ac7ce5ae5595155a3bbc60230ec0bc50e17190df71f9- SHA-1
25dca9c0b9bdb504560cebb32238c2bf43482e8e- Required starting builds
20B101, 20B110, 20B82- 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 Pro Max
UnknowniPhone14,3Signing 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