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General

NameVivo X21iNokia 3.1 Plus-
ModelX21i3.1 Plus-

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-
Network 3GHSDPA 850 / 900 / 2100HSDPA 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, LTEHSPA 42.2/5.76 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 ratio6.0 inches, 92.9 cm2 (~77.5% 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 density268 ppi density-

Camera

Primary Camera12MP (f/1.8, 1/2.5Dual: 13 MP, f/2.0, AF 5 MP, depth sensor-
Secondary Camera24MP8 MP, f/2.0-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaLED Flash, 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)156.9 x 76.4 x 8.2 mm (6.18 x 3.01 x 0.32 in)-
Body Weight159 g (5.61 oz)180 g (6.35 oz)-
Body ColorBlack, Aurora White, Ruby RedBlue/Copper, Black/Chrome, White/Iron-
Body Build-Front glass, aluminum body-

Launch

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

Platform

Operating SystemAndroid 8.1 OreoAndroid 8.1 - Android One Oreo-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)-
GPUMali-G72 MP3Mali-T860MP2-
ChipsetMediatek MT6771 Helio P60Mediatek MT6750 (28 nm)-

Memory

Memory Internal64GB, 128GB16 GB, 32 GB-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot)microSD, up to 256 GB-
Ram4GB, 6GB 2 GB, 3 GB-

Battery

Battery TypeNon-removable Li-Ion BatteryNon-removable Li-Ion Battery-
Battery Capacity3425 mAh 3500 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-

Connectivity

WiFiWi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, HotspotWi-Fi 802.11 a/b/g/n, dual-band, WiFi Direct, Hotspot-
Bluetooth5.0, A2DP, LE4.2, A2DP, LE-
USBmicroUSB 2.0, USB On-The-GoYes (APAC & EMEA only)-
GPSYes, with A-GPS, GLONASSYes, with A-GPS, GLONASS-

Features

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

Other

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