If you have an iPhone and it is in a state of “restore” or “repair,” then you can use the following steps to restore it without iTunes:

  1. Open the Settings app and select General.
  2. Scroll down to the bottom and select Reset iPhone.
  3. Select Yes when asked if you want to erase all data and settings on your iPhone, and then press Reset iPhone.
  4. Wait for the reset process to complete, which may take a few minutes.
  5. Once it has finished, open iTunes and click on the Restore button to begin restoring your phone’s data and settings.