FIRMWARE DETAILS

iOS 26.3.1 (a)

Build: 23D771330aMar 17, 2026Delta OTA

Stable

View details

Filename: a89f036f411f98f0aa80003d5d60d23ae4a2de223e325c0f732bef733f7e98c5.aea
File size: 27.8 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: bc29f3297c3be830015887b70dc9c0ca7d018671bba326ca77d04a5272203894
SHA-1: d4aa0672dd11701cb868fe81e120386f41bfaf7c
Required starting builds: 23D8133
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 13 mini iPhone14,4

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: 8ecf2050050d2259356591e5a8aeef8f