Thumbnail of product Galaxy J7 Duo from brand Samsung
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Smartphone Samsung Galaxy J7 Duo

Samsung
Phones
Smartphone

The Samsung Galaxy J7 Duo is a smartphone from the brand Samsung, known for its quality and innovation. With a 5.5-inch screen and a resolution of 1280 x 720 pixels, this model offers a pleasant visual experience thanks to its Super AMOLED technology and a display of 16 million colors.

Equipped with an 8-core processor running at 1.6 GHz, the Galaxy J7 Duo ensures smooth performance for multitasking and applications. With 3 GB of RAM and an internal storage of 32 GB, expandable up to 256 GB via a microSD card, it provides ample space for your data.

The unique rear camera of 13 MP, accompanied by a flash and autofocus, allows for capturing quality photos, even in low light. For selfies, the front camera of 8 MP with an aperture of 1.9 guarantees vibrant images.

With a 3000 mAh battery, the Galaxy J7 Duo offers sufficient battery life, allowing up to 20 hours of talk time on 3G. Compatible with Android, it also offers modern features like Wi-Fi, Bluetooth 5.0, and a fingerprint reader for enhanced security.

In summary, the Samsung Galaxy J7 Duo combines performance, display quality, and functionality, making it a practical choice for users looking for a reliable and efficient smartphone.

Manuals of product Galaxy J7 Duo

First page image of the manual for Galaxy J7 Duo

User Manual
166 pages
View manual
First page image of the manual for Galaxy J7 Duo

Safety Instructions
942 pages
View manual
7 10

Editorial note

The Samsung Galaxy J7 Duo stands out with its 5.5-inch Super AMOLED display, offering vibrant colors and excellent display quality. However, its resolution of 1280 x 720 pixels may disappoint some users accustomed to better quality screens. In terms of performance, its octa-core processor and 3 GB of RAM ensure smooth usage for daily tasks, although slowdowns may occur when running heavy applications. The 3000 mAh battery is a strong point, providing extended battery life that allows for all-day use without frequent recharging. Regarding photography, the 13 MP rear camera and 8 MP front camera are adequate for daily captures, but may not satisfy users looking for better performance, especially in low-light conditions. The 32 GB internal storage capacity is sufficient for basic use, but it can quickly become limited for those who download many applications or multimedia files. The lack of modern features like contactless payment may also disappoint some users. Additionally, the Micro-USB connectivity technology is now considered outdated, which may restrict compatibility with recent accessories. Overall, the Samsung Galaxy J7 Duo is a smartphone that combines a modern design and good performance for daily use, although it has limitations in photography and storage.

Score details

User experience

The user experience is generally positive thanks to a 5.5-inch Super AMOLED screen offering vibrant colors and excellent display quality, although the resolution of 1280 x 720 pixels may seem insufficient for some users.

Performance

The octa-core processor and 3 GB of RAM ensure smooth performance for daily use, but may encounter limitations when running heavy applications.

Battery life

The 3000 mAh battery provides extended battery life, allowing for all-day use without frequent recharging.

camera

The 13 MP rear camera and 8 MP front camera are adequate for everyday photos, but may not satisfy users seeking superior photographic performance, especially in low-light conditions.

storage

The 32 GB internal storage capacity is sufficient for basic use, but may prove limited for users downloading many applications or media files, necessitating the use of a microSD card.

Design

The design is modern and sleek with quality finishing, although the lack of modern features like contactless payment may disappoint some users.

connectivity

The Micro-USB connectivity technology is now considered outdated compared to modern standards like USB-C, which may limit compatibility with some recent accessories.

Advantages

5.5-inch Super AMOLED display

Octa-core processor and 3 GB of RAM

32 GB internal storage, expandable

13 MP rear camera, 8 MP front camera

3000 mAh battery, extended battery life

Disadvantages

Insufficient screen resolution for multimedia

Internal storage limited to 32 GB

Rear camera lacking low-light performance

Absence of contactless payment

Processor not optimal for heavy gaming

Obsolete Micro-USB connectivity

Technical Specifications Galaxy J7 Duo

General Information

Screen

  • Screen size
    5.5 "
  • Screen resolution
  • Screen shape
    1280 x 720 pixels
  • Number of colors displayed
    Flat
  • Touch technology
    16 million colors
  • Touch screen type
    Multiple pressures
  • Display the name of technology marketing
    Capacity
  • Type of panel
    Super AMOLED
  • OLED

Other features

  • Touch screen
    Yes

Detectors

  • Accelerometer
    Yes
  • Accelerometer
    Yes
  • Accelerometer
    Yes

Processor

  • Processor family
    -
  • Processor model
    -
  • Processor frequency
    1.6 GHz
  • Number of processor cores
    8

Storage support

  • RAM capacity
    3 GB
  • Internal storage capacity
    32 GB
  • User memory
    21.9 GB
  • Compatible memory cards
    MicroSD (TransFlash)
  • Maximum memory card size
    256 GB

Camera

  • Rear camera type
    Dual camera
  • Delay device
    Yes
  • Delay device
    Yes
  • Resolution of the rear camera (digital)
    13 MP
  • Resolution of the second rear camera (digital)
    5 MP
  • Front camera opening number
    1.9
  • Front camera opening number
    1.9
  • Front camera type
    Single camera
  • Front camera resolution (digital)
    8 MP
  • Front camera opening number
    1.9
  • Delay device
    Yes
  • Maximum cadence
    30 fps
  • Quick shot resolution
    1920x1080@30fps
  • Delay device
    Yes

Network

  • SIM card capacity
    Dual SIM
  • Wi-Fi Direct
    Yes
  • SIM card type
    MicroSIM
  • 2G Standards
    GSM
  • 3G Standards
    UMTS, WCDMA
  • 4G standard
    LTE
  • Wifi standards
    802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
  • Wi-Fi Direct
    Yes
  • Bluetooth model
    5.0
  • 2G band (1st SIM card)
    850,900,1800,1900 MHz
  • 3G bands supported
    850,900,1900,2100 MHz
  • 4G support
    800,850,900,1800,2100,2300,2500,2600 MHz
  • Wi-Fi Direct
    Yes
  • Contactless payment
    No
  • Mobile network generation
    4G

Registration

  • Registration type
    Without plan

Connectivity

  • USB port
    Yes
  • USB connector
    Micro-USB
  • USB Version
    2.0
  • Headset connection
    3.5 mm
  • ANT+ enabled
    No
  • ANT+ enabled
    No

Messaging

  • E-mail
    Yes
  • E-mail
    Yes
  • E-mail
    Yes
  • E-mail
    Yes
  • E-mail
    Yes

Design

  • Format
    Bar
  • Product color
    Black

Representation / realization

  • Video call
    -
  • Microphone deactivation
    Yes
  • Personal Information Management (PIM)
    Alarm clock
  • Customization
    Calculator
  • Microphone deactivation
    Calendar
  • Wireless charging
    Icons
  • Menu
  • Yes
  • No

Weight and dimensions

  • Weight
    174 g
  • Width
    153.5 mm
  • Depth
    77.2 mm
  • Height
    8.2 mm

Battery

  • Battery technology
    -
  • Battery capacity
    3000 mAh
  • Talk time (3G)
    20 h
  • Waiting time (3G)
    - h
  • Browsing duration (4G)
    13 h
  • Browsing duration (3G)
    11 h
  • Browsing duration (4G)
    13 h
  • Streaming audio playback
    66 h
  • Continuous video playback
    17 h

Software

  • Installed operating system
    -
  • Platform
    Android
  • Application distribution platform
    Google Play

Call management

  • Call blocking
    Yes
  • Call blocking
    Yes
  • Call blocking
    Yes
  • Call blocking
    Yes
  • Call blocking
    Yes

Multimedia

  • FM Radio
    -
  • Supported video format
    3G2
  • Supported audio formats
    3GP
  • ASF
  • AVI
  • FLV
  • M4V
  • MKV
  • MP4
  • WEBM
  • WMV
  • 3GA
  • AAC
  • AMR
  • AWB
  • FLAC
  • IMY
  • M4A
  • MID
  • MIDI
  • MP3
  • MXMF
  • OGA
  • OGG
  • RTTTL
  • RTX
  • WAV
  • WMA
  • XMF

Navigation

  • BeiDou
    Yes
  • BeiDou
    Yes
  • BeiDou
    Yes
  • BeiDou
    Yes
  • BeiDou
    Yes

Frequently Asked Questions

How do I perform a reset on my Samsung Galaxy J7 Duo?
To reset your Galaxy J7 Duo, press and hold the volume up, power, and home buttons simultaneously when starting the device.
What should I do if my SIM card is too small for my {brand} phone?
You can use a SIM card adapter that will allow you to insert the smaller SIM card into your phone.
What is the IMEI number?
The IMEI, or "International Mobile Equipment Identity," is a unique fifteen-digit number that identifies your Samsung phone among other devices.
What are the dimensions of my smartphone's screen?
The size of your smartphone's screen is usually measured in inches, where 1 inch equals 2.54 centimeters. To measure it, take the diagonal of the screen from the bottom left corner to the top right corner.
Can my smartphone's battery explode?
It is important to ensure that your smartphone's battery does not overheat, as there is a very low risk of explosion.
What operating system does the Samsung Galaxy J7 Duo use?
The Samsung Galaxy J7 Duo runs on the Android operating system.
What is the weight of the Samsung Galaxy J7 Duo?
The weight of the Samsung Galaxy J7 Duo is 174 g.
What is the size of the Samsung Galaxy J7 Duo's screen?
The screen of the Samsung Galaxy J7 Duo measures 5.5 inches.
What is the height of the Samsung Galaxy J7 Duo?
The height of the Samsung Galaxy J7 Duo is 8.2 mm.
What is the resolution of the Samsung Galaxy J7 Duo's screen?
The resolution of the Samsung Galaxy J7 Duo's screen is 1280 x 720 pixels.
What is the width of the Samsung Galaxy J7 Duo?
The width of the Samsung Galaxy J7 Duo is 153.5 mm.
What is the depth of the Samsung Galaxy J7 Duo?
The depth of the Samsung Galaxy J7 Duo is 77.2 mm.
What type of USB connection does the Samsung Galaxy J7 Duo have?
The Samsung Galaxy J7 Duo is equipped with a Micro-USB connection.
What is the storage capacity of the Samsung Galaxy J7 Duo?
The Samsung Galaxy J7 Duo offers a storage capacity of 32 GB.
Is the manual for the Samsung Galaxy J7 Duo available in French?
Yes, the manual for the Samsung Galaxy J7 Duo is available in French.

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Presentation of product Galaxy J7 Duo specifications from brand Samsung

General Information

The Samsung Galaxy J7 Duo is a smartphone from the Samsung brand, known for its innovation and quality in the mobile technology field. The model SM-J720FZKDKSA promises reliable performance and an enriching user experience.

Display

Featuring a 5.5-inch screen, the Galaxy J7 Duo offers an immersive visual experience thanks to its Super AMOLED technology. Its resolution of 1280 x 720 pixels ensures acceptable display quality, although some may find it insufficient compared to Full HD standards. With a display capacity of 16 million colors, this screen guarantees vivid and attractive visuals. Furthermore, its capacitive touchscreen allows for smooth and precise interaction.

Performance

The smartphone is equipped with an 8-core processor running at 1.6 GHz, ensuring efficient management of multitasking applications. Coupled with 3 GB of RAM, it allows for smooth usage for everyday tasks.

Storage

The Galaxy J7 Duo has an internal storage capacity of 32 GB, expandable up to 256 GB via a MicroSD card, providing ample space for data and applications. The available user memory is approximately 21.9 GB.

Camera

This model is equipped with a rear camera of 13 MP with flash and autofocus, allowing for acceptable quality photos even in low light. The front camera of 8 MP is ideal for selfies and video calls. Both cameras benefit from an aperture of f/1.9, promoting better light capture.

Battery

The 3000 mAh battery ensures satisfactory autonomy, allowing for prolonged use throughout the day. Talk time on 3G reaches 20 hours, and browsing via Wi-Fi can last up to 13 hours.

Connectivity

The Galaxy J7 Duo supports 2G, 3G, and 4G (LTE) networks for fast and reliable connections. It is also compatible with Wi-Fi and Bluetooth version 5.0, offering various connectivity options. However, it uses a Micro-USB port, which may seem outdated compared to modern standards.

Design

With a bar design, the Galaxy J7 Duo measures 153.5 mm in width, 77.2 mm in depth, and 8.2 mm in height, with a weight of 174 g. Available in black, it features a simple and elegant aesthetic.

Software

Running on Android, this smartphone offers an intuitive user interface, with the ability to access a wide range of applications via the application distribution platform.

Conclusion

The Samsung Galaxy J7 Duo stands out for its quality display, solid performance for daily use, and expandable storage options. However, its screen resolution and the absence of certain modern features may not suit all users.