signal_wifi_4_bar Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot sim_card SIM Hybrid Dual SIM (Nano-SIM, dual stand-by) memory CPU Octa-core (4x2.4 GHz Cortex-A73 & 4x1.8 GHz Cortex-A53) terminal OS Android 8.1 (Oreo), upgradable to Android 9.0 (Pie), EM...