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Samsung Galaxy J7 Duo

Samsung Galaxy J7 Duo
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SKU: Phone Mobs-830
Brand: Samsung
Category: Mobile Phone

Our Rating

The overall rating is based on review by our experts

  • Camera 7 / 10
  • Performance 7 / 10
  • Battery 7 / 10

Samsung Galaxy J7 Duo smartphone was launched on April, 2018. The Mobile Phone is powered by a Octa-core (2×2.2 GHz Cortex-A73 & 6×1.6 GHz Cortex-A53) processor with Exynos 7885 (14 nm) chipset, as for graphics it possesses Mali-G71 GPU. It comes in 32GB 4GB RAM internal memory. The Cellphone runs on Android 8.0 (Oreo), upgradable to Android 9.0 (Pie) operating system and is powered by a 3000mAh of Li-Ion battery.

The phone comes with a 5.5″ desplay size, Super AMOLED capacitive touchscreen with a resolution of 720×1280 pixels. It has a display aspect ratio of 16:09 and ~70.4% of screen ratio with 16M of display colors.

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Samsung Galaxy J7 Duo Camera

In the Camera department, the Samsung Galaxy J7 Duo on the rear packs dual Lens of 13 MP and 5 MP. The rear camera setup has LED flash, panorama, HDR features.

The front camera sports single Lens of 8 MP for selfies, with LED flash features

Hardware and Software

The Samsung Galaxy J7 Duo runs on Android 8.0 (Oreo), upgradable to Android 9.0 (Pie) operating system and packs  32GB 4GB RAM of inbuilt storage that can be expanded via microSDXC (dedicated slot). The Samsung Galaxy J7 Duo is a Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by). The smartphone measures 153.5 x 77.2 x 8.2 mm (6.04 x 3.04 x 0.32 in) (height x width x thickness) and weighs 174g (6.14 oz). It was launched in Black, Gold, Rose Gold, White colors.

Phone Connectivity

Connectivity options on the Samsung Galaxy J7 Duo include Wi-Fi, dual-band, Wi-Fi Direct, hotspot, A-GPS, Glonass, BDS, Bluetooth 4.2, A2DP, LE, Yes, while it support GSM, HSPA, LTE with network speed of HSPA 42.2, 5.76 Mbps, LTE Cat4 150, 50 Mbps. Sensors on the phone include Fingerprint (front-mounted), accelerometer, proximity.

 Samsung Galaxy J7 Duo Prices.

As of April, 2018, below is the price in Nigeria, USA, Europe and Britain

Price in Nigeria About NGN 117,382
Price in United States About USD 286
Price in British Pound About GBP 205
Price in Europe About EUR 240


Samsung Galaxy J7 Duo features dual lens 13 MP and 5 MP Back Camera, Android 8.0 (Oreo), upgradable to Android 9.0 (Pie) OS with 32GB 4GB RAM power by 3000mAh battery


Flashing and installation of Samsung Galaxy J7 Duo firmware stock ROM can help you solve many problem. If your Galaxy J7 Duo phone is malfunctioning, dead, or infected with virus follow this steps by steps installation guide to Download Samsung Galaxy J7 Duo firmware and Flash File



2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 850 / 900 / 1900 / 2100
4G Network 1, 3, 5, 7, 8, 20, 38, 40, 41
Speed HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Technology GSM / HSPA / LTE


Announced April, 2018
Status April, 2018

Main Camera

Real Camera Type dual
Rear Sensor(s) 13 MP, f/1.9, AF

5 MP, f/1.9, (depth)
Rear Video 1080p@30fps
Rear Features LED flash, panorama, HDR

Selfie Camera

Selfie Camera Type single
Selfie Sensor(s) 8 MP, f/1.9
Selfie Video 1080p@30fps
Selfie Features LED flash


Memory (RAM) 32GB 4GB RAM
Card slot microSDXC (dedicated slot)


SIM Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)
Dimensions 153.5 x 77.2 x 8.2 mm (6.04 x 3.04 x 0.32 in)
Weight 174g (6.14 oz)


WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
GPS A-GPS, Glonass, BDS
Bluetooth 4.2, A2DP, LE
Radio FM radio


Resolution 720 x 1280 pixels, 16:9 ratio (~267 ppi density)
Type Super AMOLED capacitive touchscreen, 16M colors
Size 5.5 inches, 83.4 cm2 (~70.4% screen-to-body ratio)


Sensors Fingerprint (front-mounted), accelerometer, proximity


Colors Black, Gold, Rose Gold, White
Price $286 / £205 / €240 / ₦117,382
Models SM-J720F, SM-J720M


CPU Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53)
Chipset Exynos 7885 (14 nm)
Operating System Android 8.0 (Oreo), upgradable to Android 9.0 (Pie)
GPU Mali-G71


Loudspeaker stereo speakers
3.5mm jack Yes


Capacity 3000mAh
Battery Type Li-Ion
Placement Removable


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