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General

NameZTE Blade A31 Vivo S1 Pro (China)-
ModelBlade A31 S1 Pro (China)-
PriceUpcomingUpcoming-

Network

Network Type GSM / CDMA / HSPA / EVDO / LTE / 5G GSM / CDMA / HSPA / LTE-
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA-
Network 3G HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100-
Network 4G LTE (unspecified) LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)-
Network Speed HSPA 42.2/5.76 Mbps, LTE-A, 5G HSPA 42.2/5.76 Mbps, LTE-A-
Network GPRSYesYes-
Network EDGEYesYes-
Network 5G 1, 3, 41, 78, 79 SA/NSA --

Display

Display Type IPS LCD capacitive touchscreen Super AMOLED capacitive touchscreen, 16M colors-
Display Size 6.52 inches 6.39 inches, 100.2 cm2 (~85.3% screen-to-body ratio)-
Display Resolution 720 x 1560 pixels 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)-
Display MultitouchYesYes-

Camera

Primary Camera16MP
8MP
2MP
48 MP, f/1.8, 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, (wide)
5 MP, f/2.4, depth sensor
-
Secondary Camera 8MP Motorized pop-up 32 MP, f/2.0-
Camera Features panorama, HDR LED flash, HDR, panorama HDR-
Video 1080p @30fps, 1920×1080 pixels [email protected], [email protected] [email protected]-

Body

Body Dimensions- 157.3 x 74.7 x 8.2 mm (6.19 x 2.94 x 0.32 in)-
Body Weight- 185 g (6.53 oz)-
Body Color Gray, Blue Blue, Red-

Launch

Launch Announcement Not announced May, 2019-
Launch Date Exp. December 2021 Released May, 2019-

Platform

Operating System Android 10 Android 9.0 (Pie); Funtouch 9-
CPU-Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)-
GPU-Adreno 612-
Chipset MediaTek MT6853V Dimensity 720 5G (7 nm) Qualcomm SDM675 Snapdragon 675 (11 nm)-

Memory

Memory Internal128GB 256GB,128 GB-
Memory External microSDXC microSD, up to 256 GB-
Ram6GB 8GB, 6 GB-

Battery

Battery TypeLi-Poly Non-removable Li-Po-
Battery Capacity 5000 mAh 3700 mAh battery-

Multimedia

Fm RadioNoNo-

Sound

Audio Vibration, MP3, WAV ringtones Vibration, MP3, WAV ringtones-
LoudspeakerYes Yes-
3.5mm JackYesYes Active noise cancellation with dedicated mic-

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, WiFi Direct, hotspot-
Bluetooth 5.0, A2DP, LE Yes-
USB USB Type-C 2.0 microUSB 2.0, USB On-The-Go-
GPS Yes, with A-GPS Yes, with A-GPS, GLONASS, BDS-

Features

Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint - under display, 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 ByChina China-
Other Features-Fast battery charging 18W-