{q} why dont work dvb-tv?

Hi all.when,i connected dvb-tv to my phones (s2 and note3),dvb worked(about 1 year ago good worked) but now connect dongles (i have 2 dongles) dont work.

I test 3 antennas
I test 2 dongles (with my laptop worked fine)
I test 3 phones
I test 2 otg cable

But dont work


WHY????


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My apps for tv.[emoji116] Attachment 3665349

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