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General

NameVivo X21iWalton Primo F9-
ModelX21iPrimo F9-
Price-Tk 5,199-

Network

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 - SIM 1 & SIM 2-
Network 3GHSDPA 850 / 900 / 2100HSDPA 900 / 2100-
Network 4GLTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500) LTE 900 / 1800 / 2100-
Network SpeedHSPA, LTEHSPA+, LTE-A-
Network GPRSYesYes-
Network EDGEYesYes-

Display

Display TypeSuper AMOLED capacitive touchscreen, 16M Colors FWVGA+ capacitive touchscreen, 16M colors-
Display Size6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio 5.45 inches. 13.84 cm2-
Display Resolution1080 x 2280 pixels, 19:9 ratio 480 x 960 pixels, 18:9 ratio (~297 ppi density)-
Display MultitouchYes - Funtouch OS 4.0Yes-
Display Density402 ppi density--

Camera

Primary Camera12MP (f/1.8, 1/2.55MP-
Secondary Camera24MP5MP-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panorama LED flash, HDR, panorama, Auto focus, Digital zoom-
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) 147 x 71.2 x 9.2 mm (5.84 x 2.76 x 0.33 in)-
Body Weight159 g (5.61 oz) 180 g (6.35 oz)-
Body ColorBlack, Aurora White, Ruby Red Oxford Blue, Red, Cyan-

Launch

Launch AnnouncementMay, 2018 July, 2019-
Launch DateRelease May 19th, 2018Release July, 2019-

Platform

Operating SystemAndroid 8.1 Oreo Android 8.1 (Oreo) Go Edition-
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) Quad-core 1.3 GHz-
GPUMali-G72 MP3PowerVR GE8100-
ChipsetMediatek MT6771 Helio P60--

Memory

Memory Internal64GB, 128GB 16GB-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot) microSD, up to 64GB (dedicated slot)-
Ram4GB, 6GB 1GB-

Battery

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

Multimedia

Fm RadioYesYes-

Sound

AudioVibration, MP3, WAV Ringtones Vibration, 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 b/g/n, Wi-Fi Direct, hotspot-
Bluetooth5.0, A2DP, LE 4.2, A2DP, LE-
USBmicroUSB 2.0, USB On-The-Go microUSB 2.0-
GPSYes, with A-GPS, GLONASS Yes, with A-GPS-

Features

SensorsFingerprint-rear-mounted, accelerometer, proximity, compassAccelerometer, gyro, proximity, compass-
MessagingSMS(threaded view), MMS, Email, Push Email SMS(threaded view), MMS, Email, IM-
BrowserHTML5 HTML5-
JavaNoNo-

Other

Made ByChina Bangladesh-
Other FeaturesFast battery charging, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editorOTA supported. Notification Light, Adaptive Battery, Light/Dark Themes, One-handed Mode, Speed Booster, Gesture Navigation-