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General

NameVivo X21iBlackBerry KEYone-
ModelX21iKEYone-
Price-Tk 50,500-

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-
Network 3GHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 1700(AWS) / 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 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 13(700), 17(700), 20(800), 28(700), 38(2600), 40(2300) - EMEA LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 12(700), 13(700), 20(800), 25(1900), 26(850-
Network SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE-A Cat9 450/50 Mbps-
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 ratio4.5 inches (~55.6% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels, 19:9 ratio1080 x 1620 pixels-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density434 ppi pixel density-
Display Screen Protection-Corning Gorilla Glass 4-

Camera

Primary Camera12MP (f/1.8, 1/2.512MP, f/2.0, phase detection autofocus, dual-LED-
Secondary Camera24MP8MP, 1.12 µm pixel size, 1080p-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panorama1/2.3'' sensor size, 1.55µm pixel size, Geo-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)149.1 x 72.4 x 9.4 mm (5.87 x 2.85 x 0.37 in)-
Body Weight159 g (5.61 oz)146 g-
Body ColorBlack, Aurora White, Ruby RedBlack-

Launch

Launch AnnouncementMay, 2018February, 2017-
Launch DateRelease May 19th, 2018Release April, 2017-

Platform

Operating SystemAndroid 8.1 OreoAndroid OS, v7.1 Nougat-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)Octa-core 2.0 GHz Cortex-A53-
GPUMali-G72 MP3Adreno 506-
ChipsetMediatek MT6771 Helio P60Qualcomm MSM8953 Snapdragon 625-

Memory

Memory Internal64GB, 128GB32GB-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot)microSD, up to 256GB-
Ram4GB, 6GB 3GB RAM-

Battery

Battery TypeNon-removable Li-Ion BatteryNon-removable Li-Ion battery-
Battery Capacity3425 mAh 3505 mAh battery-

Multimedia

Fm RadioYesYes-

Sound

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

Connectivity

WiFiWi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, HotspotWi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, Hotspot-
Bluetooth5.0, A2DP, LEv4.2, A2DP, LE, EDR-
USBmicroUSB 2.0, USB On-The-GoType-C 1.0 reversible connector, USB On-The-Go-
GPSYes, with A-GPS, GLONASSYes, with A-GPS, GLONASS, BDS-

Features

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

Other

Made ByChinaUSA-
Other FeaturesFast battery charging, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editorFast battery charging : 50% in 36 min (Quick Charge 3.0)-