FIRMWARE DETAILS

iOS 26.2.1

Build: 23C71Jan 26, 2026Delta OTA

Stable

View details

Filename: d8d77f31b5031dc3b68154b4dd9f1aa590892a9077f74d2dc98501e51493a608.aea
File size: 2.68 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: dd3e5e3d15b2e4a6ed22b1e464c39308c53bb6e9b79168fb21ce6af3f93099a8
SHA-1: 329dc9721df8c084f254298047f400f80e017239
Required starting builds: 23A355, 23A357, 23A365
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 Air iPhone18,4

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