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General

NameVivo X21iEnergizer Hardcase H280S-
ModelX21i Hardcase H280S-
Price-Tk 7,500-

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 band 1(2100), 3(1800), 7(2600), 8(900), 20(800), 28(700), 40(2300)-
Network SpeedHSPA, LTEHSPA, LTE-
Network GPRSYesYes-
Network EDGEYesYes-

Display

Display TypeSuper AMOLED capacitive touchscreen, 16M Colors2.8 inches TFT Display-
Display Size6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio 2.8 inches, 24.3 cm2 (~26.7% screen-to-body ratio)-
Display Resolution1080 x 2280 pixels, 19:9 ratio 240 x 320 pixels, 4:3 ratio-
Display MultitouchYes - Funtouch OS 4.0--
Display Density402 ppi density 143 ppi density-

Camera

Primary Camera12MP (f/1.8, 1/2.5 2MP-
Secondary Camera24MP 0.3MP-
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panorama LED Flash-
Video[email protected] Yes-

Body

Body Dimensions154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)142 x 64 x 16.5 mm (5.59 x 2.52 x 0.65 in)-
Body Weight159 g (5.61 oz) 256 g-
Body ColorBlack, Aurora White, Ruby RedBlack-

Launch

Launch AnnouncementMay, 2018February,2019-
Launch DateRelease May 19th, 2018Released January,2020-

Platform

Operating SystemAndroid 8.1 OreoKaiOS -
CPUOcta-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) Dual-core (2x1.2 GHz)-
GPUMali-G72 MP3 Spreadtrum SC9820E-
ChipsetMediatek MT6771 Helio P60--

Memory

Memory Internal64GB, 128GB 4GB-
Memory ExternalmicroSD, up to 256GB (uses SIM 2 slot) microSDXC-
Ram4GB, 6GB 512MB-

Battery

Battery TypeNon-removable Li-Ion Battery Li-Ion Battery -
Battery Capacity3425 mAh 2000 mAh-

Multimedia

Fm RadioYesYes-

Sound

AudioVibration, MP3, WAV RingtonesYes-
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, Hotspot Wi-Fi 802.11 b/g/n, Hotspot-
Bluetooth5.0, A2DP, LE Yes (v3.0)-
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, compass--
MessagingSMS(threaded view), MMS, Email, Push Email Yes-
BrowserHTML5--
JavaNo--

Other

Made ByChinaUS-
Other FeaturesFast battery charging, MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Document viewer, Photo/video editorDownloadable applications Facebook, Gmail, Whatsapp, etc.-