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FIRMWARE DETAILS

HomePod Software 12.1.3

Build: 16D39Jan 22, 2019Delta OTA
Stable

View details

Filename
324b366d85b409516a0eb1aed8aa5d2edfa75950.zip
File size
2.70 GB
File type
Delta OTA
Download host
updates.cdn-apple.com
Link availability
Not verified

Source reports this link inactive

Last link check
Not checked
SHA-256
Not reported
SHA-1
Not reported
Required starting builds
15D59, 15D61
Board restrictions
Not reported

OTA packages can require an exact starting build and board. A matching hardware identifier alone is not sufficient for installation.

Compatible hardware (1)

HomePod (1st generation) AudioAccessory1,1
Unknown

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

Source provenance

AppleDBhttps://api.appledb.dev/ios/audioOS%3B16D39.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 10:58 PM UTC
Record fingerprint: e7a86fe9da19dd76dcd3d792037152ba