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General

NameVivo X21iAllview Viva Home-
ModelX21iViva Home-
Price-Tk 24,000-

Network

Network TypeGSM / CDMA / HSPA / LTE No cellular connectivity-
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA--
Network 3GHSDPA 850 / 900 / 2100--
Network 4GLTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)--
Network SpeedHSPA, LTE--
Network GPRSYes--
Network EDGEYes--

Display

Display TypeSuper AMOLED capacitive touchscreen, 16M Colors IPS LCD capacitive touchscreen, 16M colors-
Display Size6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio 17.3 inches, 825.1 cm2 (~74.0% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels, 19:9 ratio 1080 x 1920 pixels, 16:9 ratio (~127 ppi density)-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density--

Camera

Primary Camera12MP (f/1.8, 1/2.5--
Secondary Camera24MP2MP-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panorama--
Video[email protected]--

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in) 418.5 x 266.3 x 19.5 mm (16.48 x 10.48 x 0.77 in)-
Body Weight159 g (5.61 oz) 2018.3 g (4.45 lb)-
Body ColorBlack, Aurora White, Ruby RedBlack-

Launch

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

Platform

Operating SystemAndroid 8.1 Oreo Android 9.0 (Pie)-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)Quad-core 1.5 GHz Cortex-A53-
GPUMali-G72 MP3--
ChipsetMediatek MT6771 Helio P60Mediatek MT8163-

Memory

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

Battery

Battery TypeNon-removable Li-Ion Battery Non-removable Li-Po-
Battery Capacity3425 mAh 5000 mAh-

Multimedia

Fm RadioYesYes-

Sound

AudioVibration, MP3, WAV Ringtones Vibration, 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 a/b/g/n-
Bluetooth5.0, A2DP, LE 4.0, A2DP-
USBmicroUSB 2.0, USB On-The-Go microUSB 2.0, USB-
GPSYes, with A-GPS, GLONASS Yes, with A-GPS-

Features

SensorsFingerprint-rear-mounted, accelerometer, proximity, compass Accelerometer-
MessagingSMS(threaded view), MMS, Email, Push Email SMS(threaded view), MMS, Email, Push Email, IM-
BrowserHTML5 HTML5-
JavaNoNo-

Other

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