FIRMWARE DETAILS

iOS 26.4

Build: 23E246Mar 24, 2026Delta OTA

Stable

View details

Filename: 191cb9552e436078f54f7768e61545febbdbd698.zip
File size: 6.36 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: a890474f2f01e04504df177a8e13f13d4f4f6d08f1aac84bf2e2b932244f4cfd
SHA-1: 191cb9552e436078f54f7768e61545febbdbd698
Required starting builds: 20C65, 20D47, 20D67
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 iPhone12,1

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%3B23E246.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:25 PM UTC
Record fingerprint: a55c8ee2f9fc0fcbc1637ce8870341b4