FIRMWARE DETAILS

iOS 26.3 beta 2

Build: 23D5103dJan 12, 2026Delta OTA

Beta

View details

Filename: 02ffa620d71d7c9c2210202429b62e1b6ab2bf48dc3351f9180265bec9bb4f98.aea
File size: 1.04 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: 619f92afb16557707b5b87d2686bda2c6a7a264b12c22ae3df771c06ac48d2c7
SHA-1: 37fb920e001b0b548bc66b207d12b4cd2c75032e
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 Air iPhone18,4

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, 6:26 PM UTC
Record fingerprint: d6a4268b5bfe41ed5e6a9d9c44780a5e