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General

NameZTE Blade A31 Vivo Y21e-
ModelBlade A31 Y21e-
PriceUpcomingUpcoming-

Network

Network Type GSM / CDMA / HSPA / EVDO / LTE / 5G GSM / HSPA / LTE-
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)-
Network 3G HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100-
Network 4G LTE (unspecified) LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300)-
Network 5G 1, 3, 41, 78, 79 SA/NSA --
Network Speed HSPA 42.2/5.76 Mbps, LTE-A, 5G HSPA 42.2/5.76 Mbps, LTE-A Cat4 150/50 Mbps-
Network GPRSYesYes-
Network EDGEYesYes-

Display

Display Type IPS LCD capacitive touchscreen LCD capacitive touchscreen-
Display Size 6.52 inches 6.51 inches-
Display Resolution 720 x 1560 pixels 720 x 1600 pixels-
Display MultitouchYesYes-
Display Density-243 ppi density-

Camera

Primary Camera16MP
8MP
2MP
13MP
2MP
-
Secondary Camera 8MP 8MP-
Camera Features panorama, HDR HDR-
Video 1080p @30fps, 1920×1080 pixels 1080p @30fps, 1920×1080 pixels-

Body

Body Color Gray, Blue Diamond Glow, Midnight Blue-
Body Dimensions-164.3 x 76.1 x 8 mm (6.47 x 3.00 x 0.31 in)-
Body Weight-182 g (6.42 oz)-
Body Build-Glass Front, Plastic Frame, Plastic Back-

Launch

Launch Announcement Not announced Not Announced-
Launch Date Exp. December 2021 Not Announced-

Platform

Operating System Android 10 Android 11-
Chipset MediaTek MT6853V Dimensity 720 5G (7 nm) Mediatek MT6765 Helio P35 (12nm)-
CPU-Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver)-
GPU-Adreno 610-

Memory

Memory Internal128GB 64GB-
Memory External microSDXC microSDXC (dedicated slot)-
Ram6GB 4GB-

Battery

Battery TypeLi-Poly Li-Ion (Lithium Ion)-
Battery Capacity 5000 mAh 4500 mAh-

Multimedia

Fm RadioNoNo-

Sound

Audio Vibration, MP3, WAV ringtones Yes-
LoudspeakerYesYes-
3.5mm JackYesNo-

Connectivity

WiFi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot-
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE-
USB USB Type-C 2.0 USB Type-C, USB On-The-Go-
GPS Yes, with A-GPS Yes, with A-GPS, GLONASS, GALILEO, BDS-

Features

Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (side-mounted), accelerometer, gyro, proximity, compass-
Messaging SMS(threaded view), MMS, Email, IM SMS(threaded view), MMS, Email, Push Email, IM-
Browser HTML5 HTML 5-
JavaNoNo-

Other

Made ByChinaChina-