Opera Mobile for Galaxy S4 LTE (T-Mobile), Black Mist For more information, please visit the following pages:Opera MobileGalaxy S4 LTE (T-Mobile), Black MistOpera Software ASABlinkLatest user agents:Mozilla/5.0 (Linux; Android 4.4.4; SGH-M919 Build/KTU84P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.121 Mobile Safari/537.36 OPR/51.3.2461.138727