Allview V4 Viper Pro specification and features

Network
Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2
3G bands HSDPA 900 / 2100
4G bands 1, 3, 7, 20, 38
Speed HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
Launch
Announced 2020, January
Status Available. Released 2020, January
Body
Dimensions 171 x 82 x 8.8 mm (6.73 x 3.23 x 0.35 in)
Weight 191.6 g (6.77 oz)
SIM Hybrid Dual SIM (Nano-SIM, dual stand-by)
Display
Type IPS LCD capacitive touchscreen, 16M colors
Size 6.8 inches, 115.4 cm2 (~82.3% screen-to-body ratio)
Resolution 640 x 1352 pixels, 19:9 ratio (~220 ppi density)
Platform
OS Android 9.0 (Pie)
Chipset Mediatek MT6739 (28 nm)
CPU Quad-core 1.3 GHz Cortex-A53
GPU PowerVR GE8100
Memory
Card slot microSDXC (uses shared SIM slot)
Internal 32GB 2GB RAM
  eMMC 5.1
Main Camera
Dual 13 MP, AF
0.3 MP, (depth)
Features LED flash
Video 1080p@30fps
Selfie camera
Single 8 MP
Video 1080p@30fps
Sound
Loudspeaker Yes
3.5mm jack Yes
Comms
WLAN Wi-Fi 802.11 b/g/n, hotspot
Bluetooth 4.0, A2DP
GPS Yes, with A-GPS, GLONASS
Radio FM radio
USB microUSB 2.0
Features
Sensors Fingerprint (rear-mounted), accelerometer, proximity
Battery
  Non-removable Li-Po 3500 mAh battery
Charging Charging 10W
Misc
Colors Dark Grey
SAR EU 1.20 W/kg (head)    
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