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FIRMWARE DETAILS

iOS 17.3

Build: 21D50Jan 22, 2024Full OTA
Release CandidateStable

View details

Filename
8188ed5b2a05d76ae9f21610c98c24688d509074.zip
File size
6.15 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
8f36a30174c4ea5853e176c592e730f4eec994aa83422bb4d7754f85917038dc
SHA-1
8d5476dba44e0da9bab27bc5018eed0148540d70
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)

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