FIRMWARE DETAILS

iOS 18.7.7

Build: 22H340Apr 1, 2026Delta OTA

Stable

View details

Filename: 657b1bfd537acfe0cfc3ff97cb4a95fec3e13d620e7c74e28be01d144a1ef6b7.aea
File size: 4.90 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: 99b328f04f772b039a5d3e5ad94f2083f611c77f77a8afacde997f0769891f4c
SHA-1: a4914615b44ef39165975f34f6fb6c9685ab4beb
Required starting builds: 21B101, 21B74, 21B80, 21B91
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: 6e53209eba58b2fa15214d2f2716a96c