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General

NameVivo X21iBLU Studio X8 HD (2019)-
ModelX21iStudio X8 HD (2019)-
Price-Tk 4,800-

Network

Network TypeGSM / CDMA / HSPA / LTEGSM / HSPA-
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-
Network 4GLTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)--
Network SpeedHSPA, LTEHSPA-
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 ratio5.0 inches, 68.9 cm2 (~63.6% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels, 19:9 ratio720 x 1280 pixels, 16:9 ratio-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density294 ppi density-

Camera

Primary Camera12MP (f/1.8, 1/2.58MP-
Secondary Camera24MP5MP-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaLED Flash-
Video[email protected][email protected]-

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)145.5 x 74.5 x 9.8 mm (5.73 x 2.93 x 0.39 in)-
Body Weight159 g (5.61 oz)143 g-
Body ColorBlack, Aurora White, Ruby RedBlack, White-

Launch

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

Platform

Operating SystemAndroid 8.1 OreoAndroid 8.1 Oreo (Go Edition)-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)Quad-core 1.3 GHz Cortex-A7-
GPUMali-G72 MP3Mali-400MP2-
ChipsetMediatek MT6771 Helio P60Mediatek MT6580-

Memory

Memory Internal64GB, 128GB8GB-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot)microSD, up to 64GB-
Ram4GB, 6GB 1GB-

Battery

Battery TypeNon-removable Li-Ion BatteryLi-ion Battery-
Battery Capacity3425 mAh 2000 mAh Battery-

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, LE4.0, A2DP-
USBmicroUSB 2.0, USB On-The-GomicroUSB 2.0-
GPSYes, with A-GPS, GLONASSYes, with A-GPS-

Features

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

Other

Made ByChinaChina-
Other FeaturesFast battery charging, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editorMP4/H.264 player, Photo/video editor-