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General

NameVivo X21iItel S15-
ModelX21iS15-
Price-Tk 7,890-

Network

Network TypeGSM / CDMA / HSPA / LTEGSM / HSPA / LTE-
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMAGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-
Network 3GHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 1800 / 1900 / 2100-
Network 4GLTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)LTE band 2(1900), 4(1700/2100), 7(2600), 12(700), 17(700)-
Network SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE-A-
Network GPRSYesYes-
Network EDGEYesYes-

Display

Display TypeSuper AMOLED capacitive touchscreen, 16M ColorsIPS LCD capacitive touchscreen, 16M colors-
Display Size6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio6.1 inches, 68.9 cm2 (~81.2% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels, 19:9 ratio720 x 1520 pixels, 19.5:9 ratio (~282 ppi density)-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density--
Display Screen Protection-Yes-

Camera

Primary Camera12MP (f/1.8, 1/2.58MP, 0.8MP-
Secondary Camera24MP16MP-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaLED flash, panorama-
Video[email protected][email protected]-

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)156.7 x 74.7 x 8.9 mm (5.66 x 2.85 x 0.37 in)-
Body Weight159 g (5.61 oz)153 g (5.62 oz)-
Body ColorBlack, Aurora White, Ruby RedAqua Blue, Champagne Gold, Deep Grey-

Launch

Launch AnnouncementMay, 2018August, 2019-
Launch DateRelease May 19th, 2018Released August, 2019-

Platform

Operating SystemAndroid 8.1 OreoAndroid 9.0-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)Quad-core 1.3 GHz Cortex-A7 (32nm)-
GPUMali-G72 MP3ARM Mali T820 MP1-
ChipsetMediatek MT6771 Helio P60UniSoC Spreadtrum SC7731E (32nm)-
OS Version- (Pie, Go Edition)-

Memory

Memory Internal64GB, 128GB16GB ROM-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot)microSD, up to 32 GB-
Ram4GB, 6GB 1GB RAM-

Battery

Battery TypeNon-removable Li-Ion BatteryNon-removable Li-Ion-
Battery Capacity3425 mAh 3000 mAh-

Multimedia

Fm RadioYesYes-

Sound

AudioVibration, MP3, WAV RingtonesVibration, MP3, WAV ringtones-
LoudspeakerYesYes-
3.5mm JackYes - 32-bit/192kHz audio - Active noise cancellation with dedicated micYes-

Connectivity

WiFiWi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, HotspotWi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot-
Bluetooth5.0, A2DP, LEBluetooth 4.0-
USBmicroUSB 2.0, USB On-The-GoMicro USB 2.0-
GPSYes, with A-GPS, GLONASSYes, with A-GPS-

Features

SensorsFingerprint-rear-mounted, accelerometer, proximity, compassFingerprint rear-mounted, accelerometer, proximity, compass-
MessagingSMS(threaded view), MMS, Email, Push EmailSMS(threaded view), MMS, Email, IM-
BrowserHTML5HTML5-
JavaNoNo-

Other

Made ByChinaChina-
Other FeaturesFast battery charging, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editor--