Herramientas

Estas son algunas de las herramientas comunes que se utilizaron para trabajar en este dispositivo. Es posible que no necesites todas las herramientas para cada procedimiento.

Background and Identification

The Xiaomi Redmi Note 9 is an Android smartphone developed by Xiaomi Inc in 2020. It’s a mid-range phone, but it received generally good reviews from critics. This phone comes with four different color options: Forest Green, Midnight Grey, Polar White, Black.

It contains up to 128 GB of internal storage and 6 GB RAM. Xiaomi Redmi Note 9 includes a 5020 mAh battery with permanent adhesive, making repair and replacement a bit difficult. It supports 18W fast charging, but no wireless charging.

It features a 6.53-inch IPS LCD display and a plastic frame with Gorilla Glass 5 front and a rear-mounted fingerprint sensor. Additional features include accelerometer, gyro, and compass sensors.

Specifications

Release date: April 2020

Dimensions: 162.3 x 77.2 x 8.9 mm (6.39 x 3.04 x 0.35 in)

Weight: 199 g (7.02 oz)

Display:

  • IPS LCD, 450 nits (typ)
  • 6.53 inches, 104.7 cm2 (~83.5% screen-to-body ratio)
  • 1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)

Operating System: Android 10, MIUI 12

Processor: MediaTek Helio G85 (12nm)

  • Chipset: Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)

RAM and Storage: 64GB/3GB RAM, 64GB/4GB RAM, 128GB/4GB RAM, 128GB/6GB RAM

Cameras:

  • Rear-facing cameras:
    • 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
    • 8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm
    • 2 MP, f/2.4, (macro), AF
    • 2 MP, f/2.4, (depth)
  • Front-facing camera: 13 MP, f/2.3, 29mm (standard), 1/3.1", 1.12µm

Battery:

  • Li-Po 5020 mAh
  • Fast charging 18W
  • Reverse charging 9W

Sensors:

  • Fingerprint (rear-mounted)
  • Gyro
  • Accelerometer
  • Electronic compass

Wireless Connectivity:

  • Wi-Fi 802.11 a/b/g/n/ac, dual-band
  • Bluetooth 5.0
  • NFC
  • USB-C 2.0

Additional Information

Xiaomi Redmi Note 9 Product Page

GSMArena Specifications