Redmi 9i

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The Redmi 9i, a smartphone developed by Xiaomi, is known for being a budget device with practical features. For technical identification and repair purposes, here is a detailed description:

Model Numbers and Identification

  • The official model number for the Redmi 9i is M2006C3LII.
  • It is part of the Redmi series and was announced in September 2020.
  • The device may also be referred to in some markets with similar nomenclature or under slightly different model numbers like M2006C3LI due to variations in local features or configurations.

Identification Methods

  1. Physical Inspection: Examine the back panel for the Xiaomi logo and the model number which might be printed on the lower back of the device.
  2. Software Information: Navigate to the "Settings" menu, select "About Phone," where you will find the model name and number.
  3. IMEI Lookup: Use the *#06# dial code to display the IMEI number, which can be cross-referenced with databases for model identification.
  4. Mi Account: If the device is linked to a Mi Account, log in and check device details from the account settings.

Specifications

  • Display:

    • Size: 6.53 inches
    • Type: IPS LCD
    • Resolution: 720 x 1600 pixels, 20:9 ratio (~269 ppi density)

  • Processor:

    • Chipset: MediaTek Helio G25
    • CPU: Octa-core (4x2.0 GHz Cortex-A53 & 4x1.5 GHz Cortex-A53)
    • GPU: PowerVR GE8320

  • Cameras:

    • Rear Camera: Single 13 MP, f/2.2, 28mm (wide), 1.0µm, AF
    • Front Camera: 5 MP, f/2.2, 27mm (wide), 1.12µm

  • Battery:

    • Type: Li-Po 5000 mAh, non-removable
    • Model Identification for Battery: BN57

  • Charging:

    • Charging Port: MicroUSB 2.0
    • Supported Charging: 10W standard charging

  • Memory/Storage Configurations:

    • RAM: Options include 2GB, 3GB, or 4GB LPDDR4X
    • Internal Storage: Options include 32GB, 64GB, or 128GB eMMC 5.1
    • Expandable Storage: microSDXC (dedicated slot)

Spare Parts Information

  • For display repairs, ensure replacements match the 6.53-inch size and IPS LCD type.
  • Camera repairs should use compatible modules with the specified megapixels and aperture values.
  • Battery replacements must be of the BN57 type to maintain efficiency and compatibility.
  • Charging components and cables should be verified for MicroUSB 2.0 compatibility.

This technical overview is intended to assist technicians in accurately identifying and servicing the Redmi 9i with consideration for its specific components and configurations.

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