How do I fix the iOS 11 update not appearing on an iPad? Oddly, the Software Update menu item in the Settings app is showing a red “1” badge, indicating that an update is available. But when opening the item, there’s only a message that the iPad is running iOS 10.3.3 and is up to date. This seems like a bug? I already tried restarting the iPad, but this hasn’t resolved the problem. The iPad is a family member’s iPad Air 2, and there’s more than enough free space to download the update (> 30gb). Is there anything else I can try or is my only recourse to bring a laptop and use iTunes?
Try restarting it one more time using a force restart. After that it should appear in Settings.
I don’t know what causes this issue. Based on my own experience, all I can suggest others try is to restart the device more than once. In my case, the update didn’t show up until after restarting the iPad twice.
iOS 11.1 is ready to download, but no matter how many times you refreshed, restart or reboot your iPad iPhone, it said that your software is up to date? Why is iOS 11 not showing up in Settings? Supposedly, you are still on Apple's beta program. If so, here is how you can fix it: Go to Settings -> General -> Scroll down to Profile -> Tap Beta Software Profile -> Tap Delete (Enter passcode if necessary and tap Delete again) -> Restart your iPhone iPad. And now you will see iOS 11 showing up for update.
Or an error message says "Unable to Check for Update. An error occurred while check for a software update." Under such circumstance, you can do some basic checks like: make sure your idevice is under WiFi condition, force restart your device and reset networking settings. If iOS 11 not showing up still exists, you are allowed to upgrade to iOS 11 via iTunes manually if you can't update wirelessly on your iOS device: Just install the latest version of iTunes on computer -> Connect iPhone to computer -> Open iTunes and select your device –> Click Summary -> Click Check for Update. (Source: Fix iOS 11 not Showing up Issues ->>)