Update to iOS 8.3 w/o iTunes
Hello. I want to update my iPhone 6 plus to 8.3 from 8.1.3 wirelessly. However, the last time I updated wirelessly I was prompted to connect my iPhone to iTunes when the process was done. I don't have a computer right now, so I was basically left with a brick. Do I have to connect to iTunes at the end of the updating process?