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General

NameVivo X21iWalton Primo GH9-
ModelX21iPrimo GH9-
Price-Tk 6,799-

Network

Network TypeGSM / CDMA / HSPA / LTE2G / 3G / 4G / LTE-
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA2G (GSM/GPRS/EDGE 850/900/1800/1900 MHz)-
Network 3GHSDPA 850 / 900 / 21003G (UMTS 850/900/2100 MHz)-
Network 4GLTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)4G (LTE FDD 800/850/900/1800/2100/2600 MHz), (TDD 2300/2500/2600MHz)-
Network SpeedHSPA, LTEHSPA+, 4G LTE-
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 ratio6.1 inches, 15.5 cm-
Display Resolution1080 x 2280 pixels, 19:9 ratio720 x 1560 pixels, 19:9 ratio-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density--

Camera

Primary Camera12MP (f/1.8, 1/2.513MP
0.3MP
-
Secondary Camera24MP5MP-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaLED flash, HDR, panorama HDR-
Video[email protected][email protected], [email protected]-

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)154.3 x 72.8 x 8.6 mm-
Body Weight159 g (5.61 oz)165 g-
Body ColorBlack, Aurora White, Ruby RedSky Blue, Ocean Green, Deep Blue-
Body Build---

Launch

Launch AnnouncementMay, 2018September 14, 2020-
Launch DateRelease May 19th, 2018September 16, 2020-

Platform

Operating SystemAndroid 8.1 OreoAndroid 10-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)1.8 GHz Quad-Core ARM Cortex- A53-
GPUMali-G72 MP3PowerVR Rogue GE8300-
ChipsetMediatek MT6771 Helio P60Helio A20 (12nm)-

Memory

Memory Internal64GB, 128GB16GB RAM-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot)microSD, up to 256GB-
Ram4GB, 6GB 2GB ROM-

Battery

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

Multimedia

Fm RadioYesYes-

Sound

AudioVibration, MP3, WAV RingtonesVibration, MP3, 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/ac, dual-band, Wi-Fi Direct, hotspot-
Bluetooth5.0, A2DP, LE4.0, A2DP, LE-
USBmicroUSB 2.0, USB On-The-Go2.0, Type-C 1.0 reversible connector-
GPSYes, with A-GPS, GLONASSYes, with A-GPS, GLONASS, BDS-

Features

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

Other

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