Once you've followed the video mbull posted above and download stb emu app. Go on settings on the app and then on stb configuration,write yor MAC address down and send it to your provider. Then when test/line is active (confirmed by your provider). Exit settings and you will get a blue screen.
Click anywhere in the middle of the blue screen and look for a little menu in the top left corner, it will probably be under the advert banner so look closely.
Once you get this menu up simply click Reload Portal
You should then get a loading bar in the middle of the screen. If you don't get this loading bar then just restart the app.