How do i update to ios 10.3 on my iphone?

How do i update to ios 10.3 on my iphone?

IOS 11.4 is the current update. However if you'd like to go back to a previous iteration of the software, I'll leave a comprehensive guide on how to do so.
http://smallbusiness.chron.com/reverse-iphone-previous-update-56016.html

Hope I Helped.

You'd have to go to your settings

Most iPhones (5S and later) will update to 11.4.

iPhone 5 and 5C will only update to 10.3.3 so no special steps are required, you have to have them pull what they think is the latest update from Apple's servers.

iPhones before that will only update to earlier versions and there's no way to get them to iOS 10 or later.

Settings > General > Software Update

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