FIRMWARE DETAILS

iOS 17.2 beta 4

Build: 21C5054bNov 28, 2023Delta OTA

Beta

View details

Filename: 7160aba342fbd18cbc5aecd753f4a88fb7e6a871.zip
File size: 1.06 GB
File type: Delta OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: e66bd69ac1b3a058cf08e5287ed1ae16a89d21cb35bb2ac4f112c501312d60a4
SHA-1: fdf1276bd86823729e3826ee600fb1700fd61499
Required starting builds: 21B5066a
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 15 Pro iPhone16,1

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%3B21C5054b.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:28 PM UTC
Record fingerprint: 8a5d0e9f998e015dade556b1b5efefaf