Price and specifications
Cubot J3 smartphone

Screen size 5 "
Storage space 16 GB
Primary camera resolution 8 Mpx
Selfie camera resolution 5 Mpx
Battery capacity 2 000 mAh

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Smartphones Cubot J3

Release DateMay 2018
Availability On sale
Brand Cubot
Model J3

The Cubot J3 was released in May 2018 as a low-end smartphone device that is packed with tons of capabilities. Inside of the box you’ll receive: Cubot J3 device, power adapter, instruction manual, USB charging cable, warranty card, & Li-Polymer 2000 mAh battery. Let’s take a closer look at the J3 to see what kind of features it has to offer the average smartphone user.

The J3 is equipped with 1GB of single channel 533MHz RAM in addition to 16GB of internal ROM storage. Memory on the device can be expanded by way of a microSD, microSDHC, or microSDXC card. The J3 comes with the following sensors: proximity, light, & accelerometer.

The J3 is powered by a MediaTek MT6580 SoC that is backed by a quad-core ARM Cortex-A7 32-bit 1300MHz CPU unit. The CPU uses 28nm process technology in combination with a ARMv7 instruction set to deliver precise processing power. The J3 is packed with a ARM Mail-400 MP2 2-core GPU unit that delivers amazing graphic performance.

The J3 is equipped with a dual-camera system that uses one front-facing lens & one rear-facing lens. The front-facing camera on the J3 uses a 4.92MP lens that is complete with a CMOS sensor & face recognition. The primary camera on the J3 uses a 7.99MP lens that has LED flash capabilities & a CMOS sensor.

The primary camera on the J3 comes with the following features: HDR, panorama, geotagging, autofocus, continuous shooting, ISO settings, white balance settings, face detection, self-timer, exposure compensation, digital zoom, & more. The J3 has a 5inches TFT capacitive touchscreen that supports multi-touch functionality & uses 24-bit color depth for optimal resolution.

For connectivity on the J3 you get the following options: GPS, A-GPS, Wi-Fi 802.11b/g/n, Wi-Fi Hotspot, & Bluetooth v4.0.

The Cubot J3 is an incredibly powerful device that is packed with tons of great features.


Design & Screen

Color Black, Gray, Blue
Body materials Plastic
Aluminium Alloy
Size 66.3 x 141.4 x 8.8 mm (millimeters)
2.61 x 5.57 x 0.35 " (inches)


Screen size 5 " (inches)
127 mm (millimeters)
Display area 69.04 %
Type TFT
Resolution 480x960 px
Pixel density High density
215 ppi (pixels per inch)
84 ppcm (pixels per centimetre)
Features Multi-touch
GFF full lamination
2.5D curved glass screen
430 cd/m²
1000:1 contrast ratio
86% NTSC


Main camera

Primary camera resolution 8 Mpx (2 000 x 4 000)
Sensor type CMOS
Aperture f/2.4
Slow motion video 30 fps (frames per second)
Features Continuous shooting
Digital zoom
Face Detection
Touch focus
ISO settings
White balance settings
Exposure compensation
Scene mode

Front camera

Selfie camera resolution 5 Mpx (1 581 x 3 163)

Others features

Dual main camera No
Dual front camera No
Additional information Flash - 0.3A

Device Hardware

Processing unit

Processor family MediaTek
SoC (Model) MediaTek MT6580
More smartphones with MediaTek MT6580 processor
64 Bits No
CPU ARM Cortex-A7
CPU type Quad-core
4 cores
Frequency 1.3 GHz (gigahertz)
1300 MHz (megahertz)

Graphics & Memory

GPU ARM Mali-400 MP2
RAM 1 GB (gigabytes)
More smartphones with 2 GB or less RAM


Storage space 16 GB (gigabytes)
ca. equivalent to
2909 Songs
6400 Photos
53 Movies

More smartphones with 16 GB or less internal storage
SD card slot Yes


Fingerprint No
Barometer No
Compass No
Gyroscope No
Hall No
Light Yes
Proximity sensing Yes



Battery capacity 2000 mAh
Type Li-Ion
Fast charging No
Wireless charging No
Removable battery Yes


Mobile networks

3G 2100, 900
2G 900, 850, 1900, 1800

SIM card

SIM card form Nano SIM + Nano SIM + Nano SIM


IEEE Standards 802.11g
Wi-Fi features WiFi Hotspot


Bluetooth version 4.0
Bluetooth features


Navigation supports A-GPS


USB Battery Charging Yes
micro USB 2.0 Yes

Others features

3.5 mm jack Yes
Infrared No

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