FIRMWARE DETAILS

iOS 17.3 beta

Build: 21D5026fDec 12, 2023Delta OTA

Beta

View details

Filename: 150f447343d473cd8d1c1b9712d72a4c479ff03f.zip
File size: 556.9 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: 301e42a90ee34012169214b8a38d16e9ba5a98df6c65fe3dafbb9c7d5c70b04b
SHA-1: 0d0db10208aab3cef951d7bfd61f675fe107bab0
Required starting builds: 21C5054b
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 12 Pro iPhone13,3

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