What iOS version is the best?

What iOS version is the best?

For each device there's one best solutiom. For iPhone 4s - 7.1.2.
For iPhone 5 (x) - 8.1
And for the rest devices newest software is optimal. The i Android. The latest,
9.2.1 (13D20) (January 19, 2016; 49 days ago[1]) always use the most current I'd say the latest version always but sometimes future versions are not always compatible with existing iOS devices. Windows 10

The i

Android.

The latest,
9.2.1 (13D20) (January 19, 2016; 49 days ago[1])

Always use the most current

I'd say the latest version always but sometimes future versions are not always compatible with existing iOS devices.

Windows 10

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