watchOS 4.3 (15T5165e) for Apple Watch Series 1 (42mm) ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date January 25, 2018 Upload Date January 20, 2018 Filename be657f847b4049520301fcefa3a5bee9c3ad1409.zip Filesize 1.1 GiB Identifier Watch2,7
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