amiko mirax his 1000 how to needed

have lost how to install ip suppler onto this box,supplier has tried to give working lin but wont work,,ie portal setting....url,,,,,,,,,,, user name,,,,,,,,, password,,,,,,,,,,, press ok and get ..starts login, and aborts,,,did i need to put somethink else in box updated itself a few weeks ago,and sttill shows old lines expire dates on portals..i still have one line active but a bit off/on channels dropout ,sound dropouts etc help please using vpn router,also ger box internet going to local ?