I finally got the payload injector dongle from ebay which took over a month to arrive. It currently launches Hekate - CTCaer mod v3.2. Does anyone know how to update the payload to v4.2 or replace it with ReiNX? Any help is appreciated.
https://www.ebay.com/itm/153164703168
https://www.ebay.com/itm/153164703168