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General

NameXiaomi Redmi S2 (Redmi Y2)Lava Z40-
ModelRedmi S2 (Redmi Y2)Z40-
PriceTK. 14,990Tk. 4,250-

Network

Network TypeGSM / CDMA / HSPA / LTEGSM / HSPA / LTE-
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA - ChinaGSM 900 / 1800 - SIM 1 & SIM 2-
Network 3GHSDPA 850 / 900 / 1900 / 2100HSDPA 900 / 2100-
Network 4GLTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300)LTE band 1(2100), 3(1800), 5(850), 40(2300), 41(2500)-
Network SpeedHSPA, LTEHSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps-
Network GPRSYesYes-
Network EDGEYesYes-

Display

Display TypeIPS LCD capacitive touchscreen, 16M ColorsTN TFT capacitive touchscreen, 16M Colors-
Display Size5.99 inches, 92.6 cm2 (~74.5% screen-to-body ratio4.0 inches, 45.5 cm2 (~56.8% screen-to-body ratio)-
Display Resolution720 x 1440 pixels, 18:9 ratio480 x 800 pixels, 5:3 ratio-
Display MultitouchYes - MIUI 9.5Yes-
Display Density269 ppi density233 ppi density-
Display Screen Protection-Corning Gorilla Glass (unspecified version)-

Camera

Primary CameraDual: 12 MP (f/2.2, 1.25μm, PDAF) + 5 MP, gyro-EIS, phase detection autofocus, LED Flash2 MP-
Secondary Camera16 MP, HDR, LED Flash2 MP-
Camera FeaturesGeo-tagging, Touch focus, Face detection, Panorama, HDRLED Flash, HDR-
Video[email protected][email protected]-

Body

Body Dimensions160.7 x 77.3 x 8.1 mm (6.33 x 3.04 x 0.32 in)125.5 x 63.9 x 11.7 mm (4.94 x 2.52 x 0.46 in)-
Body Weight170 g (6.00 oz)120 g-
Body BuildFront glass, plastic body--
Body ColorGray, Gold, Rose GoldGold, Glossy Black-

Launch

Launch AnnouncementMay, 2018March, 2019-
Launch DateReleased May, 2018Released March, 2019-

Platform

Operating SystemAndroid 8.1 (Oreo)Android 8.1 Oreo (Go Edition)-
CPUOcta-core 2.0 GHz Cortex-A53Quad-core 1.4 GHz-
GPUAdreno 506Mali-
ChipsetQualcomm MSM8953 Snapdragon 625Unisoc SC9832E-

Memory

Memory Internal32 GB, 64 GB8 GB-
Memory ExternalmicroSD, up to 256 GB (dedicated slot)microSD, up to 64 GB-
Ram3 GB, 4 GB 1 GB-

Battery

Battery TypeNon-removable Li-Po BatteryRemovable Li-Ion Battery-
Battery Capacity3080 mAh 2250 mAh Battery-

Multimedia

Fm RadioYesYes-

Sound

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

Connectivity

WiFiWi-Fi 802.11 b/g/n, WiFi Direct, HotspotWi-Fi 802.11 b/g/n, WiFi Direct, Hotspot-
Bluetooth4.2, A2DP, LE4.2, A2DP, LE-
USBmicroUSB 2.0microUSB 2.0-
GPSYes, with A-GPS, GLONASS, BDSYes, with A-GPS, GLONASS, BDS-

Features

SensorsFingerprint-rear-mounted, accelerometer, gyro, proximity, compassAccelerometer-
MessagingSMS(threaded view), MMS, Email, Push Email, IMSMS(threaded view), MMS, Email-
BrowserHTML5HTML5-
JavaNoNo-

Other

Made ByChinaChina-
Other FeaturesMP4/H.265 player, MP3/WAV/eAAC+/FLAC player, Photo/video editor Document viewer 5V/2A 10W chargingMP4/H.264 player
MP3/WAV/eAAC+/Flac player
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