DM800 HD PVR sim2.10

Hello everybody I have an issue with my box. im getting Dream multimedia Error ! on the Screen. it dose not say no CA found or any IP just DREAM MULTIMEDIA ERROR!
Can someone help me because the last box i flashed was a DM500 and it has no sim.

I dont know what a bootlader is or which one and where to find it im sorry but a noob needs help !!!!!

I'm sorry but how can i use the Browser method if my box dose not display an IP address ?
That is the method i use when Bricking the box. i was told it was genuine so i used a genuine img. gave me the no CA error. i used one of the fixes the no ca is gone but now i just get ERROR!

It dose not seem to connect to dream up either.

I have tried this but no joy all i get is DREAM MULTIMEDIA -> ERROR!

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and the red light flashes untill i press the power button

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Please see the attached photo lads

I have done that but the only change is that the red LED comes off

ok i will take apart and have a good look at the board but tell me what is the purpose of the simcard ?