Price and specifications
Cubot J3 Pro smartphone

Screen size 5.5 "
Storage space 16 GB
Primary camera resolution 12 Mpx
Selfie camera resolution 5 Mpx
Battery capacity 2 800 mAh

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Smartphones Cubot J3 Pro

Release DateMay 2018
Availability On sale
Brand Cubot
Model J3 Pro

The Cubot J3 Pro was released in May 2018 as a low-end smartphone that is packing tons of power & capabilities. Inside of the box you’ll receive: Cubot J3 Pro device, power adapter, instruction manual, USB charging cable, warranty card, & removable Li-ion 2800 mAh battery. Let’s take a closer look at the J3 to see why it may be the right smartphone choice for you.

The J3 is equipped with 1GB single channel LPDDR3 667MHz RAM in addition to 16GB of internal ROM storage. Memory on the J3 Pro can be expanded by way of microSD, microSDHC, & microSDXC. The J3 comes with the following sensors: accelerometer, light, fingerprint, & proximity.

The J3 is powered by a MediaTek MT6739 SoC that is backed by an ARM Cortex-A53 64-bit 1500MHz quad-core CPU unit. The CPU unit uses 28nm process technology & a ARMv8-A instruction set to deliver precise processing power. The J3 Pro comes equipped with a PowerVR GE8100 570MHz GPU that delivers amazing graphic performance.

The J3 has 5.5inches IPS capacitive touchscreen that supports multi-touch functionality & uses 24-bit color depth. The J3 Pro is equipped with a dual-camera system that use one front-facing lens & one rear-facing lens. The front-facing camera on the J3 uses a 4.92MP lens that has a max image resolution of 2560 x 1920 pixels.

The primary camera on the J3 uses a 7.99MP lens that comes with a f/2.0 aperture & a CMOS sensor. The primary camera on the J3 Pro comes with the following features: HDR, touch focus, geotagging, digital zoom, scene mode, exposure compensation, face detection, continuous shooting, & more.

For connectivity on the J3 you get the following options: GPS, A-GPS, Wi-Fi 802.11b/g/n, Wi-Fi 802.11n 5GHz, Wi-Fi Hotspot, Wi-Fi Direct, dual-band, & Bluetooth v4.0.

The Cubot J3 Pro is an incredible smartphone device that is packed with tons of great features.


Design & Screen

Color Black, Blue, Gray
Body materials Aluminium Alloy
Size 72 x 153 x 8.8 mm (millimeters)
2.83 x 6.02 x 0.35 " (inches)


Screen size 5.5 " (inches)
139.7 mm (millimeters)
Display area 71.09 %
Type IPS
Resolution 480x960 px
Pixel density Medium High density
195 ppi (pixels per inch)
76 ppcm (pixels per centimetre)
Features Multi-touch
GFF full lamination
2.5D curved glass screen
450 cd/m²
1300:1 contrast ratio
90% NTSC


Main camera

Primary camera resolution 12 Mpx (2 449 x 4 900)
Secondary primary camera resolution 2 Mpx (1 000 x 2 000)
Sensor type CMOS
Aperture f/2.0, f/2.0
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 Yes
Dual front camera No
Additional information Flash - 0.5A, 4-element lens, Secondary rear camera - 2 MP, Interpolated resolution - 13 MP

Device Hardware

Processing unit

Processor family MediaTek
SoC (Model) MediaTek MT6739
More smartphones with MediaTek MT6739 processor
64 Bits Yes
CPU ARM Cortex-A53
CPU type Quad-core
4 cores
Frequency 1.5 GHz (gigahertz)
1500 MHz (megahertz)

Graphics & Memory

GPU PowerVR GE8100
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 Yes
Barometer No
Compass No
Gyroscope No
Hall No
Light Yes
Proximity sensing Yes



Battery capacity 2800 mAh
Type Li-Ion
Fast charging No
Wireless charging No
Removable battery Yes


Mobile networks

4G 900, 800, 2100, 1800, 2600
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 Dual band
WiFi Hotspot
WiFi Direct


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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