Fierce 4 (T-Mobile) Fierce 4 (T-Mobile) is a mobile phone manufactured by Alcatel. Latest user agents:Mozilla/5.0 (Linux; Android 6.0.1; 5056N Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/61.0.3163.98 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/151.0.0.44.205;]