FIRMWARE DETAILS
watchOS 27.0 beta 6
Build:
24R5353aAug 17, 2026Delta OTABeta
View details
- Filename
b951221f84c86fbb29a162de55b8a0e1cc67a97e3f722c0db57eec30aeacfb95.aea- File size
- 2.21 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
def1f8aaef41f2e6facdc0b84652499c25f547fb2553526d1e640e7e843d3ece- SHA-1
6342c680c92991f8d35c6998c921eb2d9c8b9f80- Required starting builds
23T240- 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)
Apple Watch Series 9 (GPS, 41mm)
UnknownWatch7,1Signing 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/watchOS%3B24R5353a.json ↗
MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 10:57 PM UTC
Record fingerprint: dcdabfee3b751d286ed5750e65109264