FIRMWARE DETAILS

iOS 26.3 (a)

Build: 23D770890bJan 6, 2026Delta OTA

Beta

View details

Filename: 09c4f87a3abab361648ed01090ff1905e7fb4f3fa377aafad9cc60b82cd3376f.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: d5cf4aff7137983d4a26757bc79a260b6f24179bdee270be03048ec26512e773
SHA-1: be0a1620d120a6c672f18c9bd403eb569f571a89
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 16 Plus iPhone17,4

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: 7b5f4af4b067b3fe3fdd7349c7808340