Most key bits are below; there's much more in the article and in the article's links.
> GrayKey can unlock an iPhone in around two hours, or three days or longer for 6 digit passcodes
> 'GrayKey' ... can break into iPhones, including the iPhone X running the latest operating system iOS 11.
> The device comes in two versions: a $15,000 one which requires online connectivity and allows 300 unlocks (or $50 per phone), and and an offline, $30,000 version which can crack as many iPhones as the customer wants.
> GrayKey can unlock an iPhone in around two hours, or three days or longer for 6 digit passcodes
> 'GrayKey' ... can break into iPhones, including the iPhone X running the latest operating system iOS 11.
> The device comes in two versions: a $15,000 one which requires online connectivity and allows 300 unlocks (or $50 per phone), and and an offline, $30,000 version which can crack as many iPhones as the customer wants.