J7 Duo (J720F)

Same series:
Galaxy J7 CoreGalaxy J7Galaxy J7 PrimeGalaxy J7 DuoGalaxy J7 2016Galaxy J7 2017
All Galaxy J models →

Technical Description for Samsung Galaxy J7 Duo (SM-J720F)

Official Identification:

  • Model Number: SM-J720F
  • Manufacturer References: Commonly referred to as Galaxy J7 Duo within the J series.
  • Known Identification Codes:
    • Model: SM-J720F (often seen in settings under "About Phone" or in the device's rear panel marking)
    • Other Variants: Includes SM-J720F/DS, indicating dual SIM capabilities.

Identification Methods:

  1. Physical Examination:

    • Model Labeling: Check under the rear panel for a sticker with the model number SM-J720F.
    • IMEI & Serial Number: Use the dial code *#06# to display IMEI, which can be verified against official documentation.

  2. Device Software:

    • Navigate to "Settings" > "About Phone" > "Model Number" to confirm SM-J720F.

  3. External Features:

    • Design: Look for the characteristic Samsung branding typical for the J series with a physical home button below the display.

Specifications Relevant for Repair:

  • Display:

    • Size: 5.5 inches
    • Type: Super AMOLED
    • Resolution: 720 x 1280 pixels (~267 ppi pixel density)

  • Cameras:

    • Rear Camera: Dual setup; 13 MP, f/1.9 aperture
    • Front Camera: 8 MP, f/1.9 aperture

  • Processor:

    • Chipset: Exynos 7885
    • CPU: Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53)

  • Battery:

    • Type: User-removable Li-Ion
    • Capacity: 3000 mAh
    • Model Code: Battery models may not be directly documented but can be checked once the back cover is removed.

  • Charging:

    • Connector Type: microUSB 2.0
    • Charging Support: Standard charging

  • Memory/Storage Configurations:

    • RAM: 4GB
    • Internal Storage: 32GB
    • Expandable Storage: Available via microSD, up to 256GB

Spare Parts Insights:

  • Display assembly and touch digitizer often need to be sourced together for repairs due to the fused design.
  • Camera modules may be replaced individually as front and rear parts.
  • Battery replacements should match exact capacity and dimensions due to tight space constraints.
  • MicroUSB port changes may require soldering skills due to its standardized mounting on the PCB.

When servicing the Samsung Galaxy J7 Duo, ensure all parts adhere to the original specifications and are compatible with model SM-J720F to maintain optimal performance and user satisfaction.

 Show Moreexpand_more
 Show Lessexpand_less

Screens Galaxy J7 Duo

2 items↑ Types

Batteries Galaxy J7 Duo

1 item↑ Types

Tools & kits Galaxy J7 Duo

1 item↑ Types
Adhesive Tape - Samsung Galaxy A80 (A805F) Camera Slide Adhesive, wholesale price
Out-of-Stock
Samsung SIM ejector
Key Features of Samsung SIM Ejector:


Precision Design: Crafted specifically for Samsung devices, ensuring a perfect fit and reliable performance with every use.


Durable Construction: Made from high-quality stainless steel to resist bending or breaking, providing long-lasting durability.


Compact and Portable: Lightweight and conveniently small, it's easy to store and carry with you, making it accessible whenever needed.


Ergonomic Grip: Designed with a user-friendly, easy-to-hold shape, allowing for a comfortable and efficient SIM card removal process.


Versatile Compatibility: While intended for Samsung smartphones and tablets, it can also be used with most other brands that feature a pinhole SIM slot.


Efficient Functionality: Removes SIM cards smoothly without causing scratches or damage to the device, preserving the integrity of your phone.


Essential Accessory: An indispensable tool for frequent travelers and those who switch SIM cards regularly, facilitating quick and easy card swaps.


Safe Storage Solution: Often comes with a small storage compartment or attachment for keyrings to prevent loss and ensure it’s always within reach.


Cost-Effective: Provides an affordable solution to managing SIM cards without needing additional tools or assistance.


Professional Tool: Gives users a neat and professional way to handle SIM cards, maintaining the device's aesthetics during modifications.


This Samsung SIM ejector pin is a quintessential tool for seamless SIM card management, designed to enhance user convenience with its thoughtful features.
Details View details  

Everything for your Galaxy J7 Duo

Tools to repair it

View all →