FIRMWARE DETAILS
iOS 17.3
Build:
21D50Jan 22, 2024Delta OTARelease CandidateStable
View details
- Filename
6a905b617836012e76e0a7fe8f0f3198ed3e160d.zip- File size
- 3.82 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
eb7d7aef1c74f7669e899eb5b7dcda0a4eae79b66b6906efcffa0088f5268ee1- SHA-1
3466de0690cdecef49b2409274c05538dc74eb7c- Required starting builds
20G75, 20G81, 20H19, 20H30- 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 12 Pro Max
UnknowniPhone13,4Signing 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