Apple

My brother hard reset my phone without telling me and after that my phone was stuck on a loop with showing the apple logo, turning black and showing it again over and over, i tried to restore it but i didnt have enough space on my disk so after emptying it out, i try to update it again but while itunes updates it the screen goes back to the apple logo which cancels the update and then goes back to the restore screen. How do i fix this endless loop? Its been 3 hours.