Blackview BV4800 4G Rugged Smartphone---- 6(3+3)GB+64GB. 1 Blackview BV4800 Rugged Smartphones. Battery ------5180mAh, 5V 2A. About Blackview. BLACKVIEW was founded in March 2013 by serial entrepreneur Xu Ming(David Xu), who believes that high-quality technology doesn't need to cost a fortune.
