FIRMWARE DETAILS

iOS 26.6.1

Build: 23G83Aug 17, 2026Delta OTA

Stable

View details

Filename: bd1d2d4b8a9f490303bc3498d75499c95ccc6768b550f4600df8397136471ae4.aea
File size: 1.58 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: 5a2dda9e6c84bdd8d526bd5e9ed0227966a17cc0a1405b1c6c12e37be1d67113
SHA-1: 0fba31d29d608c483d003fc553afe98b10585b8a
Required starting builds: 23F75, 23F77, 23F81
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