Sorry all ,i was not arround for view--days this is what i did that make my dm 500t works,
1. Dream it up with the dream up file
2.Flash it with latest Gemini Image
3. install all the rom /key files
4.install Terrestial xml file by MGB guru
5. install cams e.g evocam /magcamd etc ,
6.To sacan = you have to menu -set up -service searching- automatic transponder scan -then select cho,, s mmds from the list, then it will lock and syn ,and it will ask you if to press green button to scan a found signal.
with this you should have all the channels ,at least .
Meanwhile this took me about a year to sort out ,thanks to deltabravo and all the moderator ,esp mgb gurru for the xml file,
I have all the file that i used above , if i am allow to post them i will,
Futermore i will upload the service file as requested b4 weekend ,i hope this help othewise am ready to help