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General

NameVivo X21iLenovo Yoga Smart Tab-
ModelX21i Yoga Smart Tab-
Price-Tk. 30,000-

Network

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

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 10.1 inches, 295.8 cm2 (~73.6% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels, 19:9 ratio 1200 x 1920 pixels, 16:10 ratio-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density 224 ppi density-

Camera

Primary Camera12MP (f/1.8, 1/2.5 8 MP-
Secondary Camera24MP 5 MP-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panorama--
Video[email protected] [email protected]-

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)242 x 166 x 8.5-24 mm-
Body Weight159 g (5.61 oz) 580 g-
Body ColorBlack, Aurora White, Ruby Red Iron Grey-
Body Build-Info not available-

Launch

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

Platform

Operating SystemAndroid 8.1 OreoAndroid 9.0 (Pie)-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) Octa-core (2x2.0 GHz Cortex-A53 & 6x1.45 GHz Cortex A53)-
GPUMali-G72 MP3 Adreno 505-
ChipsetMediatek MT6771 Helio P60 Qualcomm SDM439 Snapdragon 439 (12 nm)-

Memory

Memory Internal64GB, 128GB 64 GB-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot) microSD, up to 256 GB-
Ram4GB, 6GB 4 GB-

Battery

Battery TypeNon-removable Li-Ion Battery Non-removable Li-Po Battery -
Battery Capacity3425 mAh 7000 mAh-

Multimedia

Fm RadioYesNo-

Sound

AudioVibration, MP3, WAV Ringtones Yes-
LoudspeakerYes Yes with Stereo Speakers-
3.5mm JackYes - 32-bit/192kHz audio - Active noise cancellation with dedicated mic Yes - Dolby Atmos-

Connectivity

WiFiWi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, Hotspot Wi-Fi 802.11 b/g/n/ac, Wi-Fi Direct, Hotspot-
Bluetooth5.0, A2DP, LE Yes (V4.2)-
USBmicroUSB 2.0, USB On-The-Go 2.0, Type-C 1.0 reversible connector-
GPSYes, with A-GPS, GLONASS No-

Features

SensorsFingerprint-rear-mounted, accelerometer, proximity, compass Accelerometer-
MessagingSMS(threaded view), MMS, Email, Push Email HTML5-
BrowserHTML5--
JavaNo No-

Other

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