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General

NameLenovo K9Samsung Galaxy M31-
ModelK9Galaxy M31-
PriceTK. 10,200Tk 18,000-

Network

Network TypeGSM / HSPA / LTE GSM / CDMA / HSPA / LTE-
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-
Network 3GHSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 1900 / 2100-
Network 4GLTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)-
Network SpeedHSPA 42.2/5.76 Mbps, LTE-A Cat6 300/50 Mbps HSPA, LTE-A-
Network GPRSYesYes-
Network EDGEYesYes-

Display

Display TypeIPS LCD capacitive touchscreen, 16M Colors Super AMOLED capacitive touchscreen, 16M colors-
Display Size5.7 inches, 83.8 cm2 (~74.8% screen-to-body ratio) 6.4 inches, 96.7 cm2-
Display Resolution720 x 1440 pixels, 18:9 ratio 1080 x 2340 pixels, 19.5:9 ratio (~411 ppi density)-
Display MultitouchYesYes-
Display Density282 ppi density--

Camera

Primary CameraDual: 13 MP, f/2.2, 1/3`, 1.12µm, PDAF 5 MP, f/2.4, 1.12µm, depth sensor64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF
8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.2, 25mm (macro), 1/5.0", 1.12µm
5 MP, f/2.2, (depth)
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Secondary CameraDual: 13 MP, f/2.2, 1/3`, 1.12µm, PDAF 5 MP, f/2.4, 1.12µm, depth sensor32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm-
Camera FeaturesLED FlashLED flash, panorama, HDR HDR-
Video1080p@30fps, 1080p@60fps2160p@30fps, 1080p@30fps, gyro-EIS 1080p@30fps-

Body

Body Dimensions153.8 x 72.9 x 8 mm (6.06 x 2.87 x 0.31 in)--
Body Weight155 g (5.47 oz)--
Body ColorBlack, Blue Ocean Blue, Space Black-
Body Build- Glass front, plastic back, plastic frame-

Launch

Launch AnnouncementOctober, 2018February 25,2020-
Launch DateRelease October, 2018Release March 5,2020-

Platform

GPUPowerVR GE8320 Mali-G72 MP3-
Operating SystemAndroid 8.1 (Oreo) Android 10.0; One UI 2.0-
ChipsetMediatek MT6762 Helio P22 (12 nm)Exynos 9611 (10nm)-
CPU- Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)-

Memory

Memory Internal32 GB 64/128 GB UFS 2.1-
Memory ExternalmicroSD, up to 256 GB (uses SIM 2 slot) microSDXC (dedicated slot)-
Ram3 GB 6 GB-

Battery

Battery TypeNon-removable Li-Ion Battery Non-removable Li-Po-
Battery Capacity3000 mAh 6000 mAh-

Multimedia

Fm RadioYesYes-

Sound

AudioVibration, MP3, WAV Ringtones Vibration, MP3, Ringtones-
LoudspeakerYesYes-
3.5mm JackYes - Active noise cancellation with dedicated micYes-

Connectivity

WiFiWi-Fi 802.11 b/g/n, WiFi Direct, Hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot-
Bluetooth4.1, A2DP, LE 5.0, A2DP, LE-
USB2.0, Type-C 1.0 reversible connector, USB On-The-G 2.0, Type-C 1.0 reversible connector-
GPSYes, with A-GPS Yes, with A-GPS, GLONASS, BDS-

Features

SensorsFingerprint /rear-mounted, accelerometer, proximity Fingerprint -rear-mounted, accelerometer, gyro, proximity, compass-
MessagingSMS(threaded view), MMS, Email, Push Email, IM SMS(threaded view), MMS, Email, IM-
BrowserHTML5 HTML5-
JavaNONo-

Other

Other FeaturesFast battery charging 2A/5V 10W, MP4/H.264 player, MP3/WAV/eAAC+/Flac player, Photo/video editor, Document viewer Fast battery charging 15W-
Made By-Korea-