Sep 12, · Step 7: Now to install the GM seed, Mac users need to hold the Alt key, for Windows users this will be the Shift key, and then click on the Restore iPhone button. iTunes will now prompt you to select the ipsw firmware file. Select iOS 12 file you downloaded earlier. Step 8: Now sit back and relax as iTunes installs iOS 12 on your iPhone, iPad or iPod touch. Be patient as this could take . It's official now, iOS 7 GM download links will go live today on the Dev Center, as confirmed by Apple at their media event. First announced back at this year's WWDC in June, iOS 7 is now ready for public consumption having reached GM stage, and will publicly become available to compatible iPhone, iPad and iPod touch devices from September 18th. Download iOS 7 GM For iPhone, iPad And iPod touch. For those who are currently on the last released beta of iOS 7, it won’t do any good to head over to the Software Update section of the bencrox.info on device. As with previous years the Gold Master seed of this .