Vivo U3x

  • Vivo
  • Last Updated: 19th January 2026
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Key Specs
  • Display 6.35-inch (720x1544)
  • Processor Qualcomm Snapdragon 665
  • Front Camera 8MP
  • Rear Camera 13MP + 8MP + 2MP
  • RAM 3GB
  • Storage 32GB
  • Battery Capacity 5000mAh
  • OS Android 9 Pie
Market Status Released
Release Date 24th September 2019
Official Website vivo.com.cn

Vivo U3x Summary

Vivo U3x mobile was launched on 24th September 2019. The phone comes with a 6.35-inch touchscreen display offering a resolution of 720x1544 pixels and an aspect ratio of 19.5:9. Vivo U3x is powered by an octa-core Qualcomm Snapdragon 665 processor. It comes with 3GB of RAM. The Vivo U3x runs Android 9 Pie and is powered by a 5000mAh battery. The Vivo U3x supports proprietary fast charging.

As far as the cameras are concerned, the Vivo U3x on the rear packs a 13-megapixel (f/2.2) primary camera; an 8-megapixel (f/2.2) camera, and a 2-megapixel (f/2.4) camera. The rear camera setup has autofocus. It sports an 8-megapixel camera on the front for selfies with an f/1.8 aperture.

The Vivo U3x runs Funtouch OS 9.1 is based on Android 9 Pie and packs 32GB of inbuilt storage that can be expanded via microSD card (up to 256GB) with a dedicated slot. The Vivo U3x is a dual-SIM (GSM and GSM) mobile that accepts Nano-SIM and Nano-SIM cards. The Vivo U3x measures 159.43 x 76.77 x 8.92mm (height x width x thickness) and weighs 190.50 grams. It was launched in Deep Lake Blue, Red Tea Red, and Midnight Black colours.

Connectivity options on the Vivo U3x include Wi-Fi, GPS, Bluetooth v5.00, Micro-USB, FM radio, 3G, and 4G with active 4G on both SIM cards. Sensors on the phone include accelerometer, ambient light sensor, compass/ magnetometer, proximity sensor, and fingerprint sensor. The Vivo U3x supports face unlock.

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Vivo U3x Full Specifications

General
Brand Vivo
Model U3x
Release date 24th September 2019
Launched in India No
Form factor Touchscreen
Dimensions (mm) 159.43 x 76.77 x 8.92
Weight (g) 190.50
Battery capacity (mAh) 5000
Fast charging Proprietary
Colours Deep Lake Blue, Red Tea Red, Midnight Black
Display
Screen size (inches) 6.35
Touchscreen Yes
Resolution 720x1544 pixels
Aspect ratio 19.5:9
Hardware
Processor octa-core
Processor make Qualcomm Snapdragon 665
RAM 3GB
Internal storage 32GB
Expandable storage Yes
Expandable storage type microSD
Expandable storage up to (GB) 256
Dedicated microSD slot Yes
Camera
Rear camera 13-megapixel (f/2.2) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4)
Rear autofocus Yes
Rear flash Yes
Front camera 8-megapixel (f/1.8)
Software
Operating system Android 9 Pie
Skin Funtouch OS 9.1
Connectivity
Wi-Fi Yes
GPS Yes
Bluetooth Yes, v 5.00
Micro-USB Yes
Headphones 3.5mm
FM Yes
Number of SIMs 2
Active 4G on both SIM cards Yes
SIM 1
SIM Type Nano-SIM
GSM/CDMA GSM
3G Yes
4G/ LTE Yes
SIM 2
SIM Type Nano-SIM
GSM/CDMA GSM
3G Yes
4G/ LTE Yes
Sensors
Face unlock Yes
Fingerprint sensor Yes
Compass/ Magnetometer Yes
Proximity sensor Yes
Accelerometer Yes
Ambient light sensor Yes
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