FIRMWARE DETAILS

iOS 26.3 (a)

Build: 23D770890bJan 6, 2026Delta OTA

Beta

View details

Filename: ac163cf852b001514f996f6d93cf7a9e185e9cff86649acec1726b591cc74de5.aea
File size: 1.5 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: b2495df6de6d68d08a98b35bf8f517033b97bf3342d3988c4b0cd05529dfc91f
SHA-1: 7ee1cd8358e86e26bbb3299e30a8ccb5e9a46090
Required starting builds: 23D5089e
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 17 Pro iPhone18,1

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: 7b5f4af4b067b3fe3fdd7349c7808340