Latest Graetz Smart TV (2020) user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux ) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.120 Safari/537.36 OPR/46.0.2207.0 OMI/4.20.5.61.LIMA.179 Model/Vestel-MB181 VSTVB MB100 HbbTV/1.5.1 (+DRM; GRAETZ; MB181; 1.87.7.0; ; _TV_G36_2020;) SmartTvA/3.0.0	Opera Devices 4	GNU/Linux