FIRMWARE DETAILS

iOS 26.4.2

Build: 23E261Apr 22, 2026Delta OTA

Stable

View details

Filename: ee4dd8fa0124a85a6e5323746e9c2fd9bd649a319926a6e009f99424f7c254ce.aea
File size: 2.95 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: 02e25bd5f244cde206dbecaa66d2dfeec3eb3d915e60693f763adca107a24e0b
SHA-1: 9a91c832df09ee92a0d0b379da4d7a716cb1d9a2
Required starting builds: 23D125, 23D127
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, 6:25 PM UTC
Record fingerprint: e2c6b4d70a03d2c34df5f419214a28f1