FIRMWARE DETAILS

iOS 26.4 beta 4

Build: 23E5234aMar 9, 2026Delta OTA

Beta

View details

Filename: a90b0661ccfb4ea129655a124d42c6d5cdc88a33dc8d202b554a39a9742cf5d5.aea
File size: 939.5 MB
File type: Delta OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: b0db297fe3fe217de87043ed25dc2dfdc1458c23def3ec40d81180adb574f806
SHA-1: a084683249ed8a92060a003d2e470aa88a35b53f
Required starting builds: 23E5223k
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 15 iPhone15,4

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: 266f23a2e3a0472ff895ed73af2f2aa0