iOS 10.3.3 (14G5053a) for iPhone 5s (Global)

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iOS 10.3.3 Release Notes

Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 10.3.3 includes bug fixes and improves the security of your iPhone or iPad.

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222