CUBOT Cheetah Smartphone 4G FDD-LTE 3G WCDMA Android 6.0 OS MTK6753A Octa-Core 5,5 "IPS FHD Bildschirm 3GB RAM 32GB ROM 8MP 13MP Doppelkameras 7.95mm Super Slim Full Metal Rahmen Clean Master Fingerabdruck-Sensor 2.5D Rounder 5G WiFi anzeigen