1 In the Summary panel, click Restore. 2  Click Restore again to confirm that you want to restore your device to factory settings and delete all data and content. iTunes will download the device software file and restore your device.3  After your device is restored to factory settings, it will restart.se iTunes to restore your iPhone, iPad, or iPod to factory settings. When you restore your iOS device or iPod to factory settings, you'll also install the latest version of software. You can then set up your device as new, or restore from a backup.