Once you have restored your iPhone using Recovery mode your iPhone will be running the newest full version of iOS (i.e. How to put your iPhone into Recovery modeYou will need the Finder on the Mac or iTunes on a PC to enter Recovery mode. Follow these steps to put your iPhone into recovery mode:Plug your iPhone into your computer using a cable that supports data. The image of a Mac and a connector on your iPhone that indicates it is in recovery mode. Just note that there’s only about 15 minutes before your iPhone will exit recovery mode, at which point you will have to enter recovery mode again.