Hello my opinion is very clear, you will thru to the junk the android box...

Today's the best option is using your DM800HDpvr box, replacing the sim in it by the Japhar SuperSim3 NC3, and loading into it the OpenPLi 4.0 IPTV.

You will have IPTV of even better quality than "called IPTV boxes" such as the one you quote, and you will have the possibility to have DUAL TRUE Tuner, the Sat + an external DVB-T Dongle, giving you all the possibility you want. You can add an USB Memory stick and then your box is as powerful as any other new box, but also with improved and long tested software, so VERY RELIABLE box.

For the Japhar Sim, you can find it at http://www.japhar.com/japhar/

TS
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DM8000, DM800se, DM500HD, DM800HD, DM7025, DM7020s, DM7000, DM500s
VU+ Solo, VU+ Uno, VU+ Duo, Kathrein UFS910
Tivusat, TNTSat, Fransat, SSR/TSR, BBC1-2-3/ITV
DE-OpenBlackHole 1.4 image : http://www.openblackhole.com/