Updating itunes on iphone
The wiki How Tech Team also followed the article's instructions and validated that they work. Go to the top left corner and click on the rectangle that is half blank and half shaded.Then, go to the bottom of the menu that pops up and click "show menu bar." You'll see the help option at that point.If you cannot update i Phone software to i OS 12/11 in i Tunes, don't be worried.
You can either update your i Phone wirelessly or manually.It is a software that can no doubt solve your i Phone updating issue.There are chances that you are not able to update i Phone via i Tunes too.You can update your device wirelessly and if the option is not seen then you can update i Phone through i Tunes manually.
Similar to i Phone, you can also update i Pad with i Tunes.
To update your device wirelessly, go to Settings Download and Install. If for some reason you are not able to update your device wirelessly, you can do it using i Tunes.