FIRMWARE DETAILS
iOS 17.3
Build:
21D50Jan 22, 2024Full OTARelease CandidateStable
View details
- Filename
355c297cb80028795a851666d253a8aa40a1feb4.zip- File size
- 5.99 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
35ab46bacca2c92d9dbcc0ceb9828410afe8fb500cb73bbc47a5309465bcacb0- SHA-1
cec6d34268c8d145c61bce1d8c552c9ee2a6eb4e- 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 (3)
iPhone XS
UnknowniPhone11,2iPhone XS Max
UnknowniPhone11,6iPhone XS Max (China mainland)
UnknowniPhone11,4Signing 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