FIRMWARE DETAILS

iOS 26.6.1

Build: 23G83Aug 17, 2026Delta OTA

Stable

View details

Filename: b9a3a6801c5c2dd3af48b878d0db92fa5772e6be.zip
File size: 5.43 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: 9ceea09d8812eb50eb02fecc2f4a8bfd8588c8829210ea6024ad8f292921faa7
SHA-1: b9a3a6801c5c2dd3af48b878d0db92fa5772e6be
Required starting builds: 21F79, 21F90
Board restrictions: Not reported

OTA packages can require an exact starting build and board. A matching hardware identifier alone is not sufficient for installation.

Compatible hardware (1)

iPhone 11 Pro iPhone12,3

Unknown

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

Source provenance

AppleDBhttps://api.appledb.dev/ios/iOS%3B23G83.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:25 PM UTC
Record fingerprint: b254c862b2beae3a892c0e17d67ccec2