FIRMWARE DETAILS

iOS 26.1

Build: 23B85Nov 3, 2025Delta OTA

Stable

View details

Filename: aa8ec3c034025a2c8a0ea29ddb8a0daf6cace42ef11de74d043cb5a5fbdf002e.aea
File size: 5.91 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: d6972a50f8a1510f0417c7d7d6848c1e918e2927ecb41f9790940ea08222f5a3
SHA-1: 5441df6b75b70a1ea6a211fc8a798d2375ee9d2e
Required starting builds: 21B101, 21B74, 21B80, 21B91
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 15 Plus iPhone15,5

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: 3dbb73a9b79f5a62bd0e694ba85d5e21