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| Developer: | Apple |
| Full Name: | WatchOS 5.3 |
| Released: | 2019 Jul 22 |
| Short Name: | WatchOS 5.3 |
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| Operating System Kernel: | Mach |
| Operating System Family: |
Apple iOS / iPadOS family |
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| Supported CPU Instruction Set(s): | ARM instruction set |
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| Description: 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 |
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| Related Page: | URL |
| Data Integrity |
Final |
| Added |
2019-11-14 17:55 |
| Tweet | |
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