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General

NameAllview V3 ViperOppo A91-
ModelV3 ViperA91-
PriceTK. 21,990Tk. 25,000-

Network

Network TypeGSM / HSPA / LTE GSM / CDMA / HSPA / LTE-
Network 2GGSM: 850 / 900 / 1800 / 1900 MHzGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-
Network 3GUMTS : 850 / 900 / 2100 MHz HSDPA 850 / 1700(AWS) / 1900 / 2100-
Network 4GLTE : 800 / 850 / 900 / 1800 / 2100 / 2600 MHz, LTE-TDD : 1900 MHz (Band 39), LTE-TDD : 2500 MHz (Band 41) LTE-TDD : 2300 MHz (Band 40) LTE-TDD : 2600 MHz (Band 38)LTE-
Network Speed-HSPA, LTE-A-
Network GPRS-Yes-
Network EDGE-Yes-

Display

Display TypeIPS LCD capacitive touchscreen, 16M colors Super AMOLED capacitive touchscreen, 16M Colors -
Display Size5.5 inches, 78.1 cm2 (~73.3% screen-to-body ratio) 6.4 inches-
Display Resolution720 x 1440 pixels, 18:9 ratio (~293 ppi density) 1080 x 2340 pixels, 19.5:9 ratio-
Display Multitouch-Yes-
Display Density- 403 ppi density-

Camera

Primary Camera13MP, AF Quad: 48 MP, (wide)
8 MP, (ultrawide)
2 MP, (dedicated macro camera)
2 MP, (depth sensor)
-
Secondary Camera13Megapixels with LED Flash 16 MP-
Camera FeaturesAutofocus Continuous shooting Digital image stabilization Digital zoom Dual camera Exposure compensation Face detection Geotagging HDR ISO settings Manual focus Optical Stabilization (OIS) Optical zoom Panorama Scene mode Self-timer Touch focus White balance settingsLED Flash, HDR, Panorama-
Video[email protected] [email protected], [email protected]-

Body

Body Dimensions148.3 x 71.8 x 8.1 mm (5.84 x 2.83 x 0.32 in) 7.9 mm thickness-
Body Weight143.6 g (5.08 oz) 172 g (6.07 oz)-
Body Color- Dark Blue, Red, Blue-

Launch

Launch AnnouncementJanuary, 2018December, 2019-
Launch DateReleased February, 2018Released December, 2019-

Platform

CPUQuad-core 1.3 GHz Cortex-A53 Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)-
GPUMali-T720MP2 Mali-G72 MP3-
ChipsetMediatek MT6737 (28 nm) Mediatek MT6771V Helio P70 (12nm)-
Operating System-Android 9.0 (Pie)-
User Interface (ui)- ColorOS 6.1-

Memory

Memory Internal32GB 128 GB-
Memory ExternalSupport up to 256GB (Uses SIM 2 Slot) microSD, up to 256 GB (dedicated slot)-
Ram3GB 8 GB-

Battery

Battery TypeNon-removable Li-Po Non-removable Li-Po Battery -
Battery Capacity3000 mAh 4025 mAh-
Battery Charging- Fast Battery Charging 30W: 67% in 30 min (VOOC Flash Charge 4.0)-

Multimedia

Fm RadioYesYes-

Sound

AudioVibration, MP3 ringtones, WAVYes-
LoudspeakerYesYes-
3.5mm JackYesYes-

Connectivity

WiFiWi-Fi 802.11 b/g/n, hotspot, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Hotspot-
Bluetooth4.2, A2DP, LE 5.0, A2DP, LE, aptX HD-
USBmicroUSB 2.0 2.0, Type-C 1.0 reversible connector, USB On-The-Go-
GPSYes, with A-GPS Yes, with A-GPS-

Features

SensorsFingerprint - rear-mounted, accelerometer, proximity, compass Fingerprint -under display, optical, accelerometer, gyro, proximity, compass-
MessagingSMS, MMS, Email, Push Mail, IM, Hangouts SMS(threaded view), MMS, Email-
BrowserHTML5HTML5-
Java- No-

Other

Other FeaturesAllview V3 Viper Handset 3,000 mAh Battery, Power Adapter Micro USB Data Cable, Screen Protector Headset Sim Removal Tool Protection, Cover Flyer Bitdefender Warranty Card User ManualFast battery charging 30W: 50% in 30 min (VOOC Flash Charge 4.0)-
Made By-China-