FIRMWARE DETAILS

iOS 26.2.1

Build: 23C71Jan 26, 2026Delta OTA

Stable

View details

Filename: 3e75a614dbb6a7976bcbf320ab72e5a1a2a1e6a8a92e87ff23d3d519e5189dcd.aea
File size: 704.6 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: 01ca2531229b59b72ff047ae16635cf9faa1545a28091fa70bfa65c95ef0e6f4
SHA-1: f9588d81c7f4f30888fbe06e45853c93f4de5157
Required starting builds: 23C52, 23C54, 23C55
Board restrictions: Not reported

OTA packages can require an exact starting build and board. A matching hardware identifier alone is not sufficient for installation.

iPhone 16 Plus iPhone17,4

Unknown

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:26 PM UTC
Record fingerprint: 2fab43bf0c5df8d5bf194f5b1af00af7