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Samsung Galaxy J7 Duo (2018) review

Android OS v8.0 (Oreo)
Exynos 7 Octa 7870
Mali-T830 MP2
4 GB / 32 GB
5.5 inches (720 x 1280 px)
13 + 5 MP, 4160 x 3120 px, autofocus

Samsung announced the launch of the Galaxy J7 Duo smartphone in 2018. The manufacturer is offering the Samsung Galaxy J7 Duo phone with 5.5 inches display, Exynos 7 Octa 7870 chipset, 4 GB of RAM and 32 GB of internal storage.

The Samsung Galaxy J7 Duo comes with Android OS v8.0 (Oreo) out of the box, and a Li-Ion 3000 mAh battery. The 5.5 inches phone comes with AMOLED display (720 x 1280 px). The AMOLED is a display technology and stands for Active Matrix Organic Light Emitting Diodes, it is a type of OLED display and is used in smartphones.

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Samsung Galaxy J7 Duo specifications

BrandSamsung
NameGalaxy J7 Duo
ModelSM-J720FZ
Release date2018

Body

The weight of Samsung Galaxy J7 Duo is about 6.14 oz with battery, which is average compared to most of the smartphones with same size. The dimensions of this Samsung phone are average (6.04 x 3.04 x 0.32 inches).

Weight6.14 oz
Dimensions6.04 x 3.04 x 0.32 inches
Colorsblack, gold
SIM typeNano SIM

System

The Samsung Galaxy J7 Duo comes with Android OS v8.0 (Oreo) out of the box, but it is upgradable to the next OS.

OS versionAndroid OS v8.0 (Oreo)
SoCExynos 7 Octa 7870
CPUOcta-core 1.6 GHz Cortex-A53
GPUMali-T830 MP2

Display

The size of Galaxy J7 Duo screen is measured diagonally, from corner to corner. The 5.5 inches Super AMOLED display of Samsung Galaxy J7 Duo with 720 x 1280 px resolution is multitouch capable.

Display typeSuper AMOLED
Screen size5.5 inches
Resolution720 x 1280 px
Multitouch supportyes

Memory

The internal memory of Samsung Galaxy J7 Duo (4 GB) cannot be expanded, but the internal storage (32 GB) can be expanded with a compatible microSD card.

RAM4 GB
Internal storage32 GB
Memory card slotmicroSD

Camera

The camera of the Galaxy J7 Duo is equipped with autofocus. An autofocus (or AF) optical system uses a sensor, a control system and a motor to focus on an automatically or manually selected point or area. Very few Android cameras come without autofocus.

Selfie camera8 MP
Main camera13 + 5 MP, 4160 x 3120 px, autofocus
FlashLED

Connectivity

The Samsung Galaxy J7 Duo supports 2G, 3G and 4G/LTE networks. This phone has a built-in GPS. GPS is a highly accurate navigation system using signals from satellites to determine a location on the Earth's surface, irrespective of weather conditions. Most phones have a GPS unit on board. The Galaxy J7 Duo phone has built-in FM radio. The built-in FM Radio is great for listening to your favorite radio station.

GSM 2G bands850 / 900 / 1800 / 1900
Network coverage2G / 3G / 4G
Wi-FiWi-Fi 802.11 a/b/g/n
Bluetoothv4.2, A2DP
GPSA-GPS, GLONASS
NFCno
FM radioyes
USBmicroUSB 2.0
Headphone3.5 mm jack

Battery

The Li-Ion 3000 mAh battery gives the smartphone a good battery backup. The Li-ion is a low maintenance battery which offers high energy, is lightweight and does not require periodic full discharge. The battery of Galaxy J7 Duo is removable. You can simply buy a new piece from the open market and interchange it easily by yourself.

TypeLi-Ion 3000 mAh

Features

Smartphones today come with a wealth of sensors to facilitate a better user experience. The accelerometer is a sensor that measures the tilting motion and orientation of the phone. The Galaxy J7 Duo phone has a fingerprint scanner. This sensor identifies and authenticates the fingerprints of an individual in order to grant or deny access to a smartphone. This Samsung phones comes with proximity sensor. This proximity sensor detects how close the phone is to an outside object, such as your ear. The Dual SIM capability of Samsung Galaxy J7 Duo phone is ideal for businesses wishing to provide staff with a mobile device that can offer separate numbers and bills for both personal and business use. This smartphone doesn't support fast charging technology.

Sensorsaccelerometer, fingerprint, hall, light, proximity
SpecialsDual SIM
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The specifications above are based on the official data published by the manufacturer, but we also take user reviews into consideration. If you found an error or something lacking in the specifications above for the Samsung Galaxy J7 Duo, then don’t hesitate and signal the problem to us.

Samsung Galaxy J7 Duo pictures

Samsung Galaxy J7 Duo photo Samsung Galaxy J7 Duo photo Samsung Galaxy J7 Duo photo Samsung Galaxy J7 Duo photo Samsung Galaxy J7 Duo photo Samsung Galaxy J7 Duo photo
Samsung Galaxy J7 Duo / SM-J720FZ

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