FIRMWARE DETAILS

iOS 26.6.1

Build: 23G83Aug 17, 2026Delta OTA

Stable

View details

Filename: 4a1a05388ca7e4c88242e2e4e7fabdd1f05c5f36e77211f200ec5847e4783b7e.aea
File size: 1.24 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: e6041e01805af4bf4d163a59a66eade4c8a9e5c5c45a7cbf09aab64aef3eaf24
SHA-1: 450b18f5786edab3a39f1d02e29f8f4c22fe211f
Required starting builds: 23F84
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: b254c862b2beae3a892c0e17d67ccec2