QDL can be used of fastboot is not working and the flash is completely corrupted. Of course the rest of the device must still be functional as QDL just repairs flash
Last I checked they did not have one for our high-speed connector. We're hoping they make on though. If we can find a contact, we will reach out to them and see if they are going to.
Otherwise, any specific requests? We may have something in the works that will be useful.