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NameVivo X21iWalton Primo RX7 Mini-
ModelX21i Primo RX7 Mini-
Price-Tk. 7,799-


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-
Network GPRSYesYes-
Network EDGEYesYes-


Display TypeSuper AMOLED capacitive touchscreen, 16M Colors IPS Display -
Display Size6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio 6.1 inches-
Display Resolution1080 x 2280 pixels, 19:9 ratio 720 x 1520 pixels HD+-
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 Dual: 13MP
Secondary Camera24MP 8MP-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panoramaPDAF, LED Flash, f/2.0, Depth Sensor, HDR, 5p Lens, Portrait mode-
Video[email protected] [email protected]-


Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)149.5 x 72.8 x 8.1 mm-
Body Weight159 g (5.61 oz) 161 g-
Body ColorBlack, Aurora White, Ruby Red Midnight Purple, Midnight Blue, Black-
Body Build-Info not available-


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


Operating SystemAndroid 8.1 OreoAndroid 9.0 (Pie)-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) Octa core, 1.8 GHz-
GPUMali-G72 MP3 Mali G72 MP3-
ChipsetMediatek MT6771 Helio P60--


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


Battery TypeNon-removable Li-Ion Battery Lithium Polymer Battery -
Battery Capacity3425 mAh 3000 mAh-


Fm RadioYes Yes-


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, LE Yes (V4.1)-
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 Fingerprint, Accelerometer 3D, Proximity, Step Detector, E-Compass-
MessagingSMS(threaded view), MMS, Email, Push Email SMS(threaded view), MMS, Email-
BrowserHTML5 HTML5-
JavaNo No-


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