FIRMWARE DETAILS

iOS 17.3 beta

Build: 21D5026fDec 12, 2023Full OTA

Beta

View details

Filename: 18858864e44a78eb5961daf62ae73ff5388f9ae7.zip
File size: 6.08 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: 43672b6a5be03a6ece3105dce8d69b2e49688550993e6c106075d4eff139f903
SHA-1: bf423d61c7729bc4e9d09a9a9fa3b16f58d0c23b
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 13 iPhone14,5

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