FIRMWARE DETAILS

iOS 26.3

Build: 23D127Feb 11, 2026Delta OTA

Stable

View details

Filename: 4c2dae2937e0bca652a5c0eb7990d8a4df5a75f2.zip
File size: 5.58 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: ca2231abf7f81dbc454207612a4275e54b13211dfed3d4ec4d2253c2b93deba5
SHA-1: 4c2dae2937e0bca652a5c0eb7990d8a4df5a75f2
Required starting builds: 21F101, 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 12 Pro iPhone13,3

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%3B23D127.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:26 PM UTC
Record fingerprint: 22d32595e350673d41628e5ae650b60c