How To Update Iphone From Computer Without Itunes. From the main window choose the Standard Mode. Once done click on Fix iOS System followed by making a connection between.

Connect your iPhone to the computer using USB cables and click Next. Instead Finder replaces iTunes syncing and backing up iPhoen data to Mac. If you see two software update options available choose the one that you want to install.
Connect your iPhone to the computer using USB cables and click Next.
Defaults write comappleiTunes AutomaticDeviceBackupsDisabled -bool true. Connect iPhone to the computer via a USB cable. Put the Device in DFU Mode. How to Update Your iPhone Software without iTunes Using IPSW.

