I should say that 0000 and 9999 don't work for a pin code. And that there's no reset button, and holding the 2 remote buttons like the manual says doesn't seem to do anything in terms of a factory reset.
Hey, it's that time of year when my MIL renews her IPTV service and it "breaks". Last year, I visited the provider site, did "register mac address" for the singel active subscription shown, and I think I did "reset IPTV" and it just started working. This year, I keep getting the "unlock"...