Tools

These are some common tools used to work on this device. You might not need every tool for every procedure.

Wallpaper

Rear wallpaper

See-through display wallpaper

Background and Identification

The Xiaomi Mi 9 is an Android smartphone developed by Xiaomi Inc in 2019. Its predecessor was the Xiaomi Mi 8 and its successor is the Xiaomi Mi 10.

It runs on Xiaomi’s custom MIUI 10 operating system based on Android 9.0. It’s powered by the Qualcomm Snapdragon 855 processor, with 6 GB or 8 GB LPDDR4X RAM and the Adreno 640 GPU. It has a 6.39 inch AMOLED display and includes 64 GB or 128 GB storage options. The phone has a fingerprint scanner under the display. It features an aluminum frame and Gorilla glass on the front and rear. It also has a triple camera setup.

It’s available in Piano Black, Ocean Blue or Lavender Violet colors and runs about $488-$542 according to TechRadar, depending on the storage.

A criticism this phone has received is its frequent advertising that pops up when loading apps.

Specifications

Models: M1902F1G

Release date: February 2019

Dimensions and Weight: 157.5 mm × 74.7 mm × 7.6 mm, 173 g (6.10 oz)

Display:

  • Super AMOLED capacitive touchscreen
  • 6.39 inches (~85.2% screen-to-body ratio)
  • 1080 × 2340 pixel resolution at ~403 ppi

Operating System: Android 9.0 (Pie), upgradable to Android 10.0; MIUI 11

Processor: Qualcomm SM8150 Snapdragon 855

  • Chipset: Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485

RAM and Storage: 64GB/6GB RAM, 64GB/8GB RAM, 128GB/6GB RAM, 128GB/8GB RAM, 256GB/8GB RAM

Cameras:

  • Rear-facing cameras:
    • 48 MP ƒ/1.75
    • 12 MP telephoto ƒ/2.2
    • 16 MP ultra wide-angle lens ƒ/2.2
  • Front-facing camera: 20 MP ƒ/2.0

Battery:

  • 3300 mAh
  • 27W Fast Charging
  • Fast wireless charging 20W
  • USB Type C

Sensors:

  • In-screen fingerprint sensor
  • Ultrasonic proximity sensor
  • In-screen ambient light sensor
  • Accelerometer
  • Gyroscope
  • Electronic compass
  • Linear motor
  • IR remote control
  • Camera laser focusing sensor

3.5 mm headphone jack: yes

Wireless Connectivity':

  • 802.11a/b/g/n/ac
  • Bluetooth 5.0, Qualcomm TrueWireless™ Stereo Plus
  • Wi-Fi 2x2 MIMO technology, supports MU-MIMO
  • 2G: GSM: B2/B3/B5/B8
  • AAC/LDAC/aptX/aptX-HD audio frequencies

Additional Information