Duplex help!!!

Warhammer14

TK Veteran
Can anyone help??? I have duplex on my Samsung smart tv but it’s not the same device key as what’s on the duplex website .
I have messed around so much to get it working that I’m on the verge of launching the tv lol . So is there anyway I can reset the tv app to what duplex show on there site. My tv app says expiry date April 21 and on the duplex site it’s February 23 .. help!!!!
 
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