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General AttributesGeneral Attributes: 
Developer Apple
Full Name WatchOS 5.3
Released 2019 Jul 22
Short Name WatchOS 5.3

Operating System Kernel:   Mach
Operating System Family:   iOS / iPadOSiOS / iPhone OS / iPadOS family

Hardware EnvironmentHardware Environment: 

Supported CPU Instruction Set(s):   ARM instruction set

Additional InformationAdditional Information: 
Provides important security updates including a fix for the Walkie-Talkie app
ECG app on Apple Watch Series 4 now available in Canada and Singapore
Irregular heart rhythm notifications now available in Canada and Singapore

Compatible: Apple Watch Series 1 or later

Datasheet AttributesDatasheet Attributes: 

Data IntegrityData integrity level determines the integrity of the published information. Final datasheets are not intended to be modified in the future, preliminary ones can be based on unofficial information or speculations, incomplete ones are also preliminary b  Final
AddedThe exact time of the datasheet addition 2019-11-14 17:55
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