iOS 12 provides an excellent degree of an interactive, intuitive, user-friendly and responsive user interface. Users might find difficulties while performing the various updates operation in the iOS12. You can try resolving these issues by firstly ensuring that the device is connected to a proper Wi-Fi connection. Additionally, here is how you can resolve the update issues easily.

Step 1
Select ‘Settings’

Firstly, if the 'Update All' button fails, the user can try to reset the device settings. To perform this, you will have to click the ‘Settings’ option as shown below.

Step 2
Select ‘General’

In the 'Settings' option, the user has to choose the ‘General’ option to view the basic setting requirements for the iPhone device.

Step 3
Select ‘Reset’

In the 'General Settings' menu, you will have to click the ‘Reset’ option to completely reset the settings of your iPhone device.

Step 4
Select ‘Reset All Settings’

Now the user has to click the ‘Reset All Settings’ option to ensure that all the setting modifications made are reverted back to normal.

Step 5
Enter the 'Passcode'

You should enter the 'Passcode' for your iPhone device to reset all the settings that will help you in making the update work well in iOS 12.

Step 6
‘Power Off’ and ‘Reboot’ your iPhone Device

You can also try to switch off your phone and 'Reboot' your device. Also, ensure that the device is connected to Wi-Fi.

You can now perform the above steps while trying to resolve the update issues in iOS 12.