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General

NameZTE Blade A31 Vivo Y21i -
ModelBlade A31 Y21i -
PriceUpcomingUpcoming-

Network

Network Type GSM / CDMA / HSPA / EVDO / LTE / 5G GSM / HSPA / LTE -
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -
Network 3G HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100 -
Network 4G LTE (unspecified) 1, 3, 5, 7, 8, 38, 40, 41 -
Network GPRSYesYes-
Network EDGEYesYes-
Network 5G 1, 3, 41, 78, 79 SA/NSA --
Network Speed HSPA 42.2/5.76 Mbps, LTE-A, 5G --

Display

Display Type IPS LCD capacitive touchscreen IPS 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- ~295 PPI density -

Camera

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

Body

Body Dimensions- 164.4 x 76.3 x 8.4 mm (6.47 x 3.00 x 0.33 in) -
Body Weight- 192.3 g (6.77 oz) -
Body Build- Glass front, plastic back, plastic frame -
Body Color Gray, Blue Dawn White, Nebula Blue -

Launch

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

Platform

Operating System Android 10 Android 10, Funtouch 10.5 -
CPU- Octa-core (4x1.8 GHz Kryo 240 & 4x1.6 GHz Kryo 240) -
GPU- Adreno 610 -
Chipset MediaTek MT6853V Dimensity 720 5G (7 nm) Qualcomm SM4250 Snapdragon 460 (11 nm) -

Memory

Memory Internal128GB 64GB ROM-
Memory External microSDXC microSDXC (dedicated slot) -
Ram6GB 3GB RAM-

Battery

Battery TypeLi-Poly Li-Poly (Lithium Polymer) -
Battery Capacity 5000 mAh 5000 mAh -
Charging- Fast charging 18W -

Multimedia

Fm RadioNoYes-

Sound

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

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 microUSB 2.0, 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 HTML5 -
JavaNoNo-

Other

Made ByChinaChina-
Other Features- Fingerprint Sensor Position: side-