Latest Android TV 12 user agents:

User Agent Browser Device
Mozilla/5.0 (Linux; Android 12; SmartTV 4K Build/STT2.230929.001.092; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/145.0.7632.120 Mobile Safari/537.36 Chrome Webview 145 Unknown
Mozilla/5.0 (Linux; U; Android 12; en-us; Panasonic_Android_TV_4K Build/SP2A.220405.004) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.88 Mobile Safari/537.36 HeyTapBrowser/45.8.4.9 HeyTapBrowser 45 Android
Mozilla/5.0 (Linux; Android 12; X2 Build/STTL.241013.003; wv-atv; mse) Google/0.5.9 AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 Chrome Webview 83 Unknown
Mozilla/5.0 (Linux; Android 12; X2 Build/STTL.241013.003; wv-atv; mse) Google/0.5.7 AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 Chrome Webview 83 Unknown
Mozilla/5.0 (Linux; Android 12; X2 Build/STTL.241013.003; wv-atv; mse) Google/0.5.3 AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 Chrome Webview 83 Unknown
Mozilla/5.0 (Linux; Android 12; X2 Build/STTL.241013.003; wv-atv; mse) Google/0.5.0 AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 Chrome Webview 83 Unknown
Mozilla/5.0 (Linux; Android 12; X2 Build/STTL.241013.003; wv-atv; mse) Google/0.4.9 AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 Chrome Webview 83 Unknown
Mozilla/5.0 (Linux; Android 12; X2 Build/STTL.240812.006; wv-atv; mse) Google/0.5.9 AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 Chrome Webview 83 Unknown
Mozilla/5.0 (Linux; Android 12; X2 Build/STTL.240812.006; wv-atv; mse) Google/0.5.7 AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 Chrome Webview 83 Unknown
Mozilla/5.0 (Linux; Android 12; X2 Build/STTL.240508.005; wv-atv; mse) Google/0.5.9 AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 Chrome Webview 83 Unknown
Mozilla/5.0 (Linux; Android 12; X2 Build/STTL.240206.002; wv-atv; mse) Google/0.5.9 AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 Chrome Webview 83 Unknown
Mozilla/5.0 (Linux; Android 12; X2 Build/STTK.230808.004; wv-atv; mse) Google/0.5.9 AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 Chrome Webview 83 Unknown
Mozilla/5.0 (Linux; Android 12; X2 Build/STTK.230808.004; wv-atv; mse) Google/0.5.7 AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 Chrome Webview 83 Unknown
Mozilla/5.0 (Linux; Android 12; X2 Build/STTE.240615.007; wv-atv; mse) Google/0.5.9 AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 Chrome Webview 83 Unknown
Mozilla/5.0 (Linux; Android 12; X2 Build/STTE.240615.007; wv-atv; mse) Google/0.5.7 AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 Chrome Webview 83 Unknown
Mozilla/5.0 (Linux; Android 12; X2 Build/STTE.240615.007; wv-atv; mse) Google/0.5.0 AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 Chrome Webview 83 Unknown
Mozilla/5.0 (Linux; Android 12; X2 Build/STTE.240315.002; wv-atv; mse) Google/0.5.9 AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 Chrome Webview 83 Unknown
Mozilla/5.0 (Linux; Android 12; X2 Build/STTE.240315.002; wv-atv; mse) Google/0.5.7 AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 Chrome Webview 83 Unknown
Mozilla/5.0 (Linux; Android 12; X2 Build/STTE.231215.005; wv-atv; mse) Google/0.5.9 AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 Chrome Webview 83 Unknown
Mozilla/5.0 (Linux; Android 12; X2 Build/STTE.230319.008.R1; wv-atv; mse) Google/0.5.9 AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 Chrome Webview 83 Unknown