FIRMWARE DETAILS

iOS 17.3

Build: 21D50Jan 22, 2024Full OTA

Release CandidateStable

View details

Filename: 1766993ee1bef8f174d6e103aa9afe195b83fc83.zip
File size: 5.87 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: c66fa17299e1b2145b4bb1152b375f8cd23ac8b58d6502d636ccac8180d6801a
SHA-1: 59fa9d3e5814e238486f1840c462dae2604659c0
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 SE (3rd generation) iPhone14,6

Unknown

Signing 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