TV from OK does not work?

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1

OK. ODL 43650UV-TIB, 108 CM (43 INCH), DCI 4K, SMART TV, UHD LED TV, 1200 CMP, DVB-T2 HD, DVB-C, DVB-S, DVB-S2
Hello I have the TV and have it only about a month since the beginning but everything was great but now can't open more YouTube or Netflix it means my internet connection is net there although it was always connected and was great

Av

Go to the installation menu, there to Erstinstallation, and reset the television in the factory setting