Ok, I own 2 dm800se (with and without wifi) and I will definitely buy one for the wifi box in the coming days.
In the meantime I would also please keep the other DM with the following image (OpenPLi_4.0_Japhar_for_EStar_DM800HDse_wIPTV.nfi). Can you please tell me how to install a working EPG on it ?I already tried XMLTVIMPORT but I'm really struggling to have it working....

Thanks for the support.