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	Specs

vivo S1 (China)

Network
Technology	GSM / CDMA / HSPA / LTE
2G bands	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
	CDMA 800 & TD-SCDMA
3G Network	HSDPA 850 / 900 / 2100
4G Network	1, 3, 5, 8, 34, 38, 39, 40, 41
Speed	HSPA 42.2/5.76 Mbps, LTE (2CA) Cat7 300/50 Mbps

Launch
Announced	2019, March
Status	Available. Released 2019, April

Body
Dimensions	162 x 76 x 8.5 mm (6.38 x 2.99 x 0.33 in)
Weight	189.5 g (6.70 oz)
SIM	Dual SIM (Nano-SIM, dual stand-by)

Display
Type	IPS LCD
Size	6.53 inches, 104.7 cm2 (~85.0% screen-to-body ratio)
Resolution	1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)

Platform
OS	Android 9.0 (Pie), Funtouch 9
Chipset	Mediatek MT6771 Helio P70 (12 nm)
CPU	Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPU	Mali-G72 MP3

Memory
Card slot	microSDXC
Internal	128GB 4GB RAM, 128GB 6GB RAM
	eMMC 5.1

Main Camera
Modules	12 MP, f/1.8, 13mm (ultrawide), PDAF 8 MP, f/2.2, (wide) 5 MP, f/2.4, (depth)
Features	LED flash, HDR, panorama
Video	1080p@30fps

Selfie Camera
Modules	Motorized pop-up 25 MP, f/2.0
Features	HDR
Video	1080p@30fps

Sound
Loudspeaker	Yes
3.5mm jack	Yes

Comms
WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth	5.0, A2DP, LE
Positioning	GPS, GLONASS, BDS
NFC	No
Infrared port	No
Radio	FM radio
USB	microUSB 2.0

Features
Sensors	Fingerprint (rear-mounted), accelerometer, proximity, compass

Battery
Type	3940 mAh, non-removable
Charging	18W wired

Misc
Colors	Blue, Pink, Ice black
Models	V1831A, V1831T
Price	About 260 EUR