FIRMWARE DETAILS
iOS 17.3
Build:
21D50Jan 22, 2024Full OTARelease CandidateStable
View details
- Filename
154e52a4b0e8b51052d550af68b51fce0f0727cc.zip- File size
- 6.24 GB
- File type
- Full OTA
- Download host
updates.cdn-apple.com- Link availability
- Not verified
Source reports active
- Last link check
- Not checked
- SHA-256
d1ac8bb0fd4679a070253de508c6ee3ce324bbd2573eb061836f16dc499ae8c0- SHA-1
a6db9bb754e8e9722e42d4df07421653192c8e0b- Required starting builds
Not reported- 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 15
UnknowniPhone15,4Signing 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