Why can't I update to iOS 14?

Here are two different ways to ensure the highest iOS that your device will support is on your device.

Update your iPhone, iPad, or iPod touch wirelessly. Click here --> Update your iPhone or iPad - Apple Support

Here are instructions about how to update your iPhone, iPad, or iPod touch with the Finder on a Mac computer --> Update your iPhone, iPad, or iPod touch with the Finder - Apple Support

If your Apple mobile device won't update, read this support article --> If your iPhone or iPad won't update - Apple Support

Because Apple no longer makes iOS 14 available. You can, however, update to iOS 15.7.3.

Update your iPhone or iPad - Apple Support

If you have an iPhone 7 you can update to iOS15.7.3. This is the most recent version for that device. You cannot update to iOS14 anymore.