FIRMWARE DETAILS
iOS 17.3
Build:
21D50Jan 22, 2024Delta OTARelease CandidateStable
View details
- Filename
e29307724ad8b68d9426a9eaf9003105b4eddd3a.zip- File size
- 1.45 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
d222dd09029f326c2cedde2bc00d6a518bc944946c0f7ccdd2ec2c4b33aad379- SHA-1
b7d6925d6c6eab336185529ba3a15fa304338b54- Required starting builds
21A326, 21A329, 21A360- 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