Mi 4S

Same series:
Mi 4Mi 4iMi 4CMi 4S
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The Xiaomi Mi 4S is a mid-range smartphone released by Xiaomi, offering a balance of functionality and affordability. As a smartphone repair technician, understanding the technical specifications and identification methods for the Mi 4S is critical for efficient diagnosis and service.

Identification Details

  1. Model Numbers and Codes:

    • Official Model Number: The Mi 4S is typically identified by its model number 2015712.
    • Other Known Identifiers: In some regions, the device is also associated with the code MI-4S.

  2. Identification Methods:

    • Exterior Markings: The model number is often printed on the back cover or on a label under the SIM tray.
    • Software Identification: Within the "About Phone" section in the device's settings, the model number and other specifications like software version can be found.
    • Physical Characteristics: Unique elements like the square-shaped fingerprint sensor on the rear, along with a physical home button, help in distinguishing it from other models.

Technical Specifications for Spare Parts

  1. Display:

    • Size: 5.0 inches
    • Type: IPS LCD
    • Resolution: 1080 x 1920 pixels (Full HD), ~441 ppi pixel density
    • Protection: Often comes with scratch-resistant glass, which may vary based on the version purchased.

  2. Camera:

    • Main Camera: 13 MP, PDAF (Phase Detection Autofocus), dual-LED dual-tone flash
    • Front Camera: 5 MP, suitable for basic selfie capabilities and video calls.

  3. Processor and Performance:

    • Chipset: Qualcomm Snapdragon 808
    • CPU: Hexa-core (4x1.4 GHz Cortex-A53 & 2x1.8 GHz Cortex-A57)
    • GPU: Adreno 418

  4. Battery:

    • Capacity: 3260 mAh, non-removable
    • Battery Model Number Reference: No specific model number typically available, but original batteries should match voltage and capacity ratings.

  5. Charging:

    • Port: USB Type-C, compatible with fast charging technologies as per the standard at the time of its release.

  6. Memory and Storage Configurations:

    • RAM: 3 GB RAM
    • Internal Storage Options: 64 GB, expandable up to 256 GB via a microSD card slot, which shares the SIM slot.

In conclusion, when dealing with the Xiaomi Mi 4S, it is essential to verify the model numbers and inspect the physical characteristics to ensure accurate identification. Each component, from the display to the battery, needs careful consideration to match replacement parts, focusing on specific metrics and technology compatibilities.

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