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NameVivo X21iWalton Primo G9-
ModelX21i Primo G9-
Price-Tk. 5,999-


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 UMTS 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)LTE-
Network SpeedHSPA, LTEHSPA, LTE-
Network GPRSYesYes-
Network EDGEYesYes-


Display TypeSuper AMOLED capacitive touchscreen, 16M Colors IPS HD+ Full View Display -
Display Size6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio 5.45 inches-
Display Resolution1080 x 2280 pixels, 19:9 ratio 720 x 1440 pixels-
Display MultitouchYes - Funtouch OS 4.0 Yes-
Display Density402 ppi density--
Display Screen Protection- 2.5D Curved Glass-


Primary Camera12MP (f/1.8, 1/2.5 8MP-
Secondary Camera24MP 8MP-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaDigital Zoom, Auto Focus, Touch Focus, Night Mode, ISO, HDR, Auto HDR, Panorama-
Video[email protected] [email protected]-


Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)147.3 x 71 x 9.2 mm-
Body Weight159 g (5.61 oz) 157 g (with battery)-
Body ColorBlack, Aurora White, Ruby Red Blue, Purple, Red-
Body Build-Info not available-


Launch AnnouncementMay, 2018September, 2019-
Launch DateRelease May 19th, 2018--


Operating SystemAndroid 8.1 Oreo Android 9.0 (Pie)-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) 1.6GHz Octa-Core, ARM Cortex-A55-
GPUMali-G72 MP3 PowerVR Rouge GE8322-
ChipsetMediatek MT6771 Helio P60--


Memory Internal64GB, 128GB 16GB-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot) microSD, up to 64GB-
Ram4GB, 6GB 2GB-


Battery TypeNon-removable Li-Ion Battery Li-Ion Battery -
Battery Capacity3425 mAh 2500 mAh-


Fm RadioYesYes-


AudioVibration, MP3, WAV Ringtones Vibration, MP3, WAV Ringtones-
3.5mm JackYes - 32-bit/192kHz audio - Active noise cancellation with dedicated micYes-


WiFiWi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, HotspotYes-
Bluetooth5.0, A2DP, LEYes-
USBmicroUSB 2.0, USB On-The-Go microUSB 2.0-
GPSYes, with A-GPS, GLONASS Yes, with A-GPS-


SensorsFingerprint-rear-mounted, accelerometer, proximity, compass Accelerometer (3D)-
MessagingSMS(threaded view), MMS, Email, Push Email Yes-
JavaNo No-


Made ByChinaBangladesh-
Other FeaturesFast battery charging, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editor Smart Controls,
Online Themes,
Liveness Face Unlock