FIRMWARE DETAILS
watchOS 27.0 beta 6
Build:
24R5353aAug 17, 2026Delta OTABeta
View details
- Filename
77ff3a6dde0aaea7391857d31d3ab35b92f7df76d9b08b860b2fba2f309b48c2.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
d8123aeba1dae2c7e8fa4bf4049b03c71827ec0f118e66ad8cc12ea6ad7ead4b- SHA-1
256d64da14b622a70b5c1aa1a1b0b3fc48717a9b- Required starting builds
23U5054b- 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 10 (GPS, 46mm)
UnknownWatch7,9Signing 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