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General

NameVivo X21iAlcatel 3x-
ModelX21i3x -
Price-TK. 17,990-

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 - SIM 1 & SIM 2 (dual-SIM)-
Network 3GHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - 5058A/J HSDPA 850 / 900 / 1900 / 2100 - 5058I/T/Y-
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), 12(700), 13(700), 17(700), 28(700) - 5058A/J-
Network SpeedHSPA, LTEHSPA 42.2/11.5 Mbps, LTE Cat4 150/50 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 ratio5.7 inches, 83.8 cm2 (~76.3% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels, 19:9 ratio720 x 1440 pixels, 18:9 ratio-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density282 ppi density-

Camera

Primary Camera12MP (f/1.8, 1/2.513MP-
Secondary Camera24MP5MP, LED Flash-
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)153.5 x 71.6 x 8.5 mm (6.04 x 2.82 x 0.33 in)-
Body Weight159 g (5.61 oz)144 g (5.08 oz)-
Body ColorBlack, Aurora White, Ruby RedMetallic Black, Metallic Blue, Metallic Gold - EU/MEAMetallic Black, Metallic Blue, Metallic Gold - EU/MEA-

Launch

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

Platform

Operating SystemAndroid 8.1 OreoAndroid 7.1 Nougat-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)Quad-core 1.3 GHz Cortex-A53-
GPUMali-G72 MP3PowerVR GE8100-
ChipsetMediatek MT6771 Helio P60Mediatek MT6739-

Memory

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

Battery

Battery TypeNon-removable Li-Ion BatteryNon-removable Li-Ion Battery-
Battery Capacity3425 mAh 3000 mAh -

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 - Active noise cancellation with dedicated mic-

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, LE4.2, A2DP, LE-
USBmicroUSB 2.0, USB On-The-GomicroUSB 2.0, USB On-The-Go-
GPSYes, with A-GPS, GLONASSYes GPS Yes, with A-GPS-

Features

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

Other

Other FeaturesFast battery charging, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editorMP3/AAC+/WAV/Flac player, MP4/H.264 player ,Document viewer, Photo/video editor-
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