https://ipsw.me/download/ota/Watch2,3/16U5110a/
Download watchOS 5.2.1 (16U5110a) for Apple Watch Series 2 (38mm) / IPSW Downloads
Download watchOS 5.2.1 (16U5110a) for Apple Watch Series 2 (38mm). IPSW Downloads provides download links and information for Apple's operating systems,...
for apple watch