ZTE-Z431/1.7.0 NetFront/4.2 QTV5.1 Profile/MIDP-2.1 Configuration/CLDC-1.1
ZTE-Z431/1.4.0 NetFront/4.2 QTV5.1 Profile/MIDP-2.1 Configuration/CLDC-1.1
UCWEB/2.0 (Java; U; MIDP-2.0; en-US; ZTE-Z431) U2/1.0.0 UCBrowser/9.3.0.326 U2/1.0.0 Mobile