Blackview BV4800 Rugged Phone 3GB+64GBMediaTek Helio A22 The Mediatek Helio A22 chip installed on the BV4800 uses advanced 12nm process technology and four ARM Cortex A53 low power processor cores to deliver good performance at low power consumption, which means that it can provide longer battery life for the phone, pushing the boundaries of longer battery life. 3GB RAM+ Up to 3GB Expansion Insufficient memory storage will only make your phone sluggish when trying to switch to chat