Samsung Galaxy J7 Duo

Flaunting a 5.5-inch HD screen, the Samsung Galaxy J7 Duo is based on Android Oreo The smartphone comes with dual 13+5MP rear camera and an 8MP front-facing shooter The device ships with 32GB of expandable internal storage space and is powered by an octa-core Exynos chipset which is paired with 4GB of RAM It also has a fingerprint sensor and packs a 3,000mAh battery The latest Samsung J-series mobile phones are the Samsung Galaxy J6 and the Samsung Galaxy J8

Samsung Galaxy J7 Duo Share on

Processor : Samsung Exynos 7870
Storage : 32GB
Battery : 3000 mAh battery
Camera : Dual (13MP + 5MP)
Display : 5.5 inches
SIM : Dual SIM, Micro SIM (Dedicated Slot)
Operating System : Android v8.0 (Oreo)

Samsung Galaxy J7 Duo: Pros & Cons

out of 10
  • Good Stuff
  • Robust build quality
  • Dual-camera performs very well
  • Selfie camera puts out detailed and vibrant selfies
  • The best UI among all its competitors
  • Bad Stuff
  • No bezel-less display
  • Laggy performance
  • Short battery backup
  • A bit overpriced

Samsung Galaxy J7 Duo Details

Introduction and Camera
The Samsung Galaxy J7 Duo is a mid-range offering from the South-Korean smartphone maker. The device features a metal unibody design and also comes with a front-facing fingerprint reader which is embedded in the home button. The smartphone is 8.2mm thick and weighs a hefty 174 grams. 
For imaging, you get a dual rear camera setup that promises better shots and videos. Also, the dual 13+5-megapixel primary sensors are assisted with an LED flash to aid low-light imaging. You also get an 8-megapixel front-facing shooter which can be used for video calling and capturing selfies. 
Performance and Connectivity
The Samsung Galaxy J7 Duo ships with multiple connectivity options which include 4G with support for VoLTE, GPS, Bluetooth 5.0, Wi-Fi 802.11 a/b/g/n/ac, and a USB 2.0 port. The smartphone also has twin SIM slots which allow usage of two SIM card simultaneously. 
At its heart, the handset is powered by an octa-core Exynos 7870 chipset which is clocked at 1.6GHz and is coupled with 4GB of RAM that ensures smooth sailing even under the most appealing conditions.
Display and Platform
The Samsung Galaxy J7 Duo sports a 5.5-inch HD Super AMOLED display which offers a good visual experience for its users. The smartphone also has decent outdoor legibility courtesy the AMOLED technology. In terms of software, the device runs Android 8.0 Oreo.
Storage and Battery
The Samsung Galaxy J7 Duo is packed with an onboard storage space of 32GB which can be used to install apps and to fit in other data; you get the option for storage expansion up to 256GB via a microSD card. 
The handset is fuelled by a 3,000mAh battery which is expected to support talk time up to 8 hours and for moderate users it can hold up for an entire day.  

Samsung Galaxy J7 Duo Specifications


Processor Samsung Exynos 7870
Display 5.5 inches
Storage 32GB
Rear Camera Dual (13MP + 5MP)
Battery 3000 mAh


Display Type Super AMOLED
Resolution 720x1280 pixels
Aspect ratio 16:9
Screen Size 5.5 inches
Pixel Density 267 pixels per inch (ppi)
Touchscreen type Capacitive
Color Reproduction 16M Colors
Screen to body percentage 70.4 %


Internal 32GB
Expandable microSD, Upto 256GB (Dedicated Slot)


Launch Date 13 April 2018
Dimensions 6.0x3.0x0.3 inches (153.5 x 77.2 x 8.2 mm)
Water Resistant No
Weight 174 grams (6.14 oz)
Colors Black, Gold, Rose Gold, White


Operating System Android v8.0 (Oreo)


Rear Dual (13MP + 5MP)
Selfie 8MP
Rear Camera Features LED Flash, Panorama, HDR
Selfie Camera Features LED Flash
Physical Aperture Rear (f/1.9) + (f/1.9), Front (f/1.9)
Video 1080p@30fps


Removable Battery Yes
Type Li-Ion
Talk time Upto 20 Hrs(3G)
Wireless Charging No
Capacity 3000 mAh
Fast Charging No


Bluetooth v4.2 with A2DP, LE
Wi-Fi Yes with dual-band, WiFi Direct, hotspot
Network 4G LTE
Voice Over LTE (VoLTE) Yes
SIM Configuration Dual SIM, Micro SIM (Dedicated Slot)
NFC Chipset No
Infrared No


Chipset Samsung Exynos 7870
CPU 2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53
Graphics Mali-T830 MP1
No of Cores 8 (Octa Core)


Accelerometer Yes
Gyroscope Yes
Fingerprint sensor Yes, Rear- mounted
Other Sensors Ambient Light Sensor, Proximity Sensor


Speaker Yes
Audio Jack 3.5mm
Disclaimer: Specifications shown may be different from the actual product. We cannot guarantee that the information provided on this page is 100% correct. Please check with the retailer before purchasing.