Get Familiar with Older iOS Updates
If you aren't running iOS 11.4 on your iPhone, iPad, or iPod touch right now you'll want to get familiar with the update, or updates, you skipped before you install iOS 11.4.1 on your phone, tablet, or iPod.
iOS 11.4 is the current version of iOS 11. If you're running it on your device you're up to date with the latest features, fixes, enhancements, and patches. If you aren't on iOS 11.4, now is a great time to get familiar with it and/or any other updates you've skipped along the way.
If you're planning to upgrade from iOS 11.2.6 or an older version of iOS, your iOS 11.4.1 update will be more substantial thanks to the features and fixes from updates you skipped. They'll be baked into your update.
Do yourself a favor and get familiar with the changes from these updates right now. To assist you, we've put together a guide that will take you through all of iOS 11's biggest changes.
Most of you should think about upgrading to iOS 11.4 before the iOS 11.4.1 update arrives.