FIRMWARE DETAILS
iOS 17.3
Build:
21D50Jan 22, 2024Delta OTARelease CandidateStable
View details
- Filename
e625d04346bc14c64401efb1a88beebcb796de5a.zip- File size
- 619.9 MB
- File type
- Delta OTA
- Download host
updates.cdn-apple.com- Link availability
- Not verified
Source reports active
- Last link check
- Not checked
- SHA-256
90901dbff5e898ec9e1bd7b1d9fd7b9d37e3ea95a6002d93b7d2a56cbd1c6eb0- SHA-1
3f41fa8a58d60033ab40cde3a4fb5fae7fd857e4- Required starting builds
21C62, 21C66- 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