J4 2018 (J400F)

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Technical Description for Samsung Galaxy J4 (2018) - Model J400F

Official Model Numbers and Manufacturer References:

  • Model Number: SM-J400F
  • Other Variants: SM-J400G, SM-J400M
  • Manufacturer Reference: Samsung Galaxy J4 2018

Identification Codes:

  • Model: SM-J400F (found in settings, under "About Phone" or on the device's packaging)
  • IMEI Number: Typically labeled under the battery or can be found in settings
  • Battery Identification: Typically no separate public part number; identified by its specification as a removable Li-Ion 3000 mAh battery.

Methods to Identify the Device:

  1. Software Method: Navigate to "Settings" > "About Phone" to access the model number and software version.
  2. Physical Inspection: Check the back panel under the battery for the model and IMEI numbers.
  3. Retail Packaging: Model number and specific variant are typically listed on the original box.
  4. Service Menu: Dial *#06# to display the IMEI code, confirming the model.

Specifications for Spare Parts:

  1. Display:

    • Size: 5.5 inches
    • Type: Super AMOLED, providing better contrast and colors along with energy efficiency
    • Resolution: 720 x 1280 pixels, 16:9 ratio (~267 ppi density)

  2. Cameras:

    • Rear Camera: 13 MP, f/1.9, autofocus, LED flash
    • Front Camera: 5 MP, f/2.2, with LED flash
    • Insurance of camera part compatibility requires verification with the official Samsung parts list for SM-J400F and model-specific notes.

  3. Processor:

    • CPU: Quad-core 1.4 GHz Cortex-A53
    • Chipset: Exynos 7570 Quad (14 nm)
    • GPU: Mali-T720 MP2

  4. Battery:

    • Type: Removable Li-Ion 3000 mAh
    • Use the correct specification to prevent damage and ensure compatibility; usually original or authorized third-party replacement only.

  5. Charging:

    • Micro USB 2.0 port
    • Ensure charging compatibility by using OEM or reliable third-party accessories.

  6. Memory/Storage Configurations:

    • RAM: 2 GB
    • Internal Storage: 16 GB, expandable via microSD card slot (up to 256 GB)
    • Memory modules and expansions should be compliant with Samsung's integrity and compatibility standards.

This technical documentation provides essential details for conducting repairs, replacing parts, or assessing the device for service. Always cross-reference parts with verified supplier catalogs and use recommended tools for disassembly to prevent damage.

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