When you download a "Next 999HD.rar" file, it usually contains one or more of the following:
Insert the USB into the receiver and navigate to the System/Software Update menu. If using loader software, connect the receiver to a PC and follow the software's prompts. Download NEXT 999HD rar
While specific steps can vary by model version, the general procedure for updating a digital receiver via a .rar file includes: When you download a "Next 999HD