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FIRMWARE DETAILS

iOS 17.3 beta

Build: 21D5026fDec 12, 2023Delta OTA
Beta

View details

Filename
121f60c3c7d30c7d3674f86cfad24e12603fdd20.zip
File size
690.7 MB
File type
Delta OTA
Download host
updates.cdn-apple.com
Link availability
Not verified

Source reports active

Last link check
Not checked
SHA-256
38f2f1356207248b0c63167a603b68162b327fb2d36fb3bf9011c4d505c1aaf7
SHA-1
a6e3bb9e4a15a23f723046b0f6ac90a4903d080b
Required starting builds
21C5046c
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%3B21D5026f.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 02068c392e032fb64a160afd4cdf5874