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General

NameVivo X21iBlackBerry DTEK70-
ModelX21i DTEK70-
Price-Tk 31,900-

Network

Network TypeGSM / CDMA / HSPA / LTE GSM / HSPA / LTE-
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMAGSM 850 / 900 / 1800 / 1900-
Network 3GHSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 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-
Network SpeedHSPA, LTE--
Network GPRSYesYes-
Network EDGEYesYes-

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 4.5 inches-
Display Resolution1080 x 2280 pixels, 19:9 ratio 1080 x 1920 pixels-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density 490 ppi pixel density-

Camera

Primary Camera12MP (f/1.8, 1/2.5 13MP, f/2.0, Phase Detection Autofocus, Dual-LED-
Secondary Camera24MP 8MP, f/2.2, 1080p-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaGeo-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)Info not available-
Body Weight159 g (5.61 oz)Info not available-
Body ColorBlack, Aurora White, Ruby Red Black-
Body Build-Info not available-

Launch

Launch AnnouncementMay, 20182017-
Launch DateRelease May 19th, 2018February 25th-

Platform

Operating SystemAndroid 8.1 Oreo Android OS, v6.0 Marshmallow-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo)-
GPUMali-G72 MP3 Adreno 530-
ChipsetMediatek MT6771 Helio P60--

Memory

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

Battery

Battery TypeNon-removable Li-Ion Battery--
Battery Capacity3425 mAh 4000 mAh -
Battery Stand by- SMS, MMS, Email, Push Email, IM, BBM-
Battery Talk time- Non-removable Li-Ion battery-

Multimedia

Fm RadioYesNo-

Sound

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

Connectivity

WiFiWi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, Hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, Hotspot-
Bluetooth5.0, A2DP, LE v4.2, A2DP, LE, EDR-
USBmicroUSB 2.0, USB On-The-Go Yes-
GPSYes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, BDS-

Features

SensorsFingerprint-rear-mounted, accelerometer, proximity, compassFingerprint -front-mounted, Accelerometer, Gyro, Proximity, Compass-
MessagingSMS(threaded view), MMS, Email, Push EmailYes-
BrowserHTML5--
JavaNoNo-

Other

Made ByChina China-
Other FeaturesFast battery charging, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editor Browser : HTML5
Capacitive touch 3-r- Fast battery charging
MP3/WAV/eAAC+/FlAC player
DivX/Xvid/MP4/H.265 player
Photo/video editor
Document viewerow BlackBerry keyboard
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