FIRMWARE DETAILS

iOS 26.3

Build: 23D127Feb 11, 2026Delta OTA

Stable

View details

Filename: a99c42aa40029ed73bece4f93d401e35204e14e1.zip
File size: 5.09 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: 7d9af3019e3e6dde57e856e5bfe6ae20999f6eab3bbb550236e94ee83eb74e73
SHA-1: a99c42aa40029ed73bece4f93d401e35204e14e1
Required starting builds: 21D50, 21D61
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 SE (2nd generation) iPhone12,8

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