FIRMWARE DETAILS

iOS 26.5.1

Build: 23F81Jun 1, 2026Full OTA

Stable

View details

Filename: 8844dd38d54b38500570819dbdadb5a5b73d7abc72216c3e09e48595014642be.aea
File size: 8.39 GB
File type: Full OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 748f0f85adb5fc53bdd8e13e83b0411c710404fd89b3b834df26456acf0c3157
SHA-1: 455326af04a231bf43d8c516e117f1b78b2cfcc5
Required starting builds: Not reported
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 17e iPhone18,5

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: 5c942573abf0119b4e5bd563e9638914