iOS 10.3 Will Automatically Upgrade Your iPhone or iPad’s File System To APFS<img style="float: left; margin-right: 10px"  src="

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With the release of macOS Sierra last year, Apple debuted a new filesystem dubbed APFS (Apple File System). The new file format is meant for solid storage drives, with focus on encryption and data integrity.   
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iOS 10.3 Will Automatically Upgrade Your iPhone or iPad’s File System To APFS