For me the Tuner looks like the one on all these boxes, so you don't need to replace it, just need to flash an image compatible with your box, that is Sim2.

Images : http://www.ourdreambox.com/ubbthreads.php?ubb=postlist&Board=62&page=1

Admin

Ref : http://www.ourdreambox.com/ubbthreads.php?ubb=showflat&Number=5573
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