watchOS 4.3 (15T5165e) for Apple Watch Series 1 (38mm) ✗ 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 d8a14c0eeb3c2386ef33e1b9654f4295ac26af63.zip Filesize 1.1 GiB Identifier Watch2,6
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