FIRMWARE DETAILS

iOS 26.1

Build: 23B85Nov 3, 2025Delta OTA

Stable

View details

Filename: 2a4a05f82b2e0a1bbe85171962efe36ffaee2ba23306217eb6369c4c6a6d93df.aea
File size: 5.50 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: 3d86d8b9bdb81df4f80ac17a48084b5fd698ace364b0442c13c99e8d8813c271
SHA-1: 4a3eb1081f025d32037fec33322832b50d03ac98
Required starting builds: 22D63, 22D64, 22D72, 22D82
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 Pro iPhone17,1

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