FIRMWARE DETAILS

iOS 17.3 beta

Build: 21D5026fDec 12, 2023Full OTA

Beta

View details

Filename: 510870eb22231314b980ca08b8b3b8e2667abe7d.zip
File size: 5.72 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: 6fc4594b67852ebda14b413e537fb474da8fafb8d6b69de53ed4ca1285266ce9
SHA-1: f6a58fe6f01e6dbb2cc8d56ba9d0cad42c79fb4e
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 11 iPhone12,1

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