Blackview BV4800 4G Rugged Phone----4(2+2)GB+32GB. 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.
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