An upcoming version of iOS is going to stop law enforcement from using the USB port on iPhones to break into the phone. The feature is called USB Restricted Mode and if the phone is locked will limit access after one hour of inactivity. At this point the USB port will only allow charging. Apple says they just want to improve security for users and this has nothing to do with preventing the cops from doing their job. That solution should thwart iPhone-cracking devices like those made by GrayShift and Cellebrite. Such devices, particularly GrayShift’s GrayKey, which promises to unlock even new iPhone models, use the USB port to access a locked iPhone in order to crack its password using more attempts than would normally be allowed.