FIRMWARE DETAILS

iOS 26.2

Build: 23C55Dec 12, 2025Delta OTA

Stable

View details

Filename: d237b2e00021d8b6234f69238a66f649b5278c7a8deb5d2b0a04a1487f3db5f3.aea
File size: 6.04 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: c3539583ee0ae35d2f0db3ea4d4d3bb53d6116383ae1040dfe043561cd1dbe74
SHA-1: b863a9b01640084f7364eefb492bd8663e0ec466
Required starting builds: 21A326, 21A327, 21A329, 21A360
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 15 iPhone15,4

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: 4b8b25df53b445445872c34055e5a615