У вашего броузера проблема в совместимости с HTML5
http://www.minideal.net/coolpad-7320-smartphone-mtk6592-qcta-core-1-7ghz-wcdma-with-5-5inch-ogs-ips-screen-13-0mp.html
Model Coolpad 7320
2G:GSM 850/900/1800/1900MHz
3G:850/900/2100MHz;
Sim Card Dual SIM Card Dual Standby
Service Provide Unlocked
Style Bar
Color Black
Shell Material Plastic
MTK6592, Cortex A7 octa core, 1.7GHz;
GPU: Mali-450 MP
ROM 8GB
RAM 1GB
Screen
Display Size 5.5 Inch
Type IPS screen, OGS technology
Resolution 1280 x 720 pixels
Screen Color 16000K Colors