FIRMWARE DETAILS

iOS 26.3.1

Build: 23D8133Mar 4, 2026Delta OTA

Stable

View details

Filename: 17edb6bb1c71b4f07f57377a52577ac03594e7f1b53c7186835adb70636b84ea.aea
File size: 1.81 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: 752cccc61ee03711a9dc582e29b95ee6a414be7e3aeabb52cad5bdccfb853926
SHA-1: ec233e9a68c511aab5ae8319b7bb1c8e4537a2cc
Required starting builds: 23C52, 23C54, 23C55, 23C71
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 14 Pro iPhone15,2

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: d48da896f63809bf3a31e9d1728e206a