Xiaomi Redmi Note 9 comes in the Note series where this phone came as an upgraded version of Note 8 that Shaumi had earlier announced
Display
Screen type: IPS LCD type display.
Screen Size: 6.53 inches.
Resolution: The screen displays an FHD Plus E resolution of 2340×1080.Pixel density: 395 per square inch.
Brightness: The display has a brightness of 450 nits.
Security: The Redmi Note 9 is protected by Gorilla Glass Version V which is scratch and break-resistant.
Phone body specifications:
Phone weight: 199 g.
Dimensions of the device:
Length 162.3 mm, width 77.2 mm, height or thickness 8.9 mm.
Front Face:
IPS LCD screen with a hole from the top of the front camera located at the top left of the screen.
Back:
The phone is equipped with a quad camera within a relatively high prominence, in addition to the presence of an LED flash and a fingerprint sensor.
The back face and frame are made of plastic.
Right side:
Power button with volume up and down buttons.
Left side:
It contains two SIM slots, one of the nano SIM and the other of the dual stand-by, and this slot also contains a place for the external memory card Micro SD XC.
Upper limb:
The upper end contains a hole that is considered a port for an IR blaster or infrared rays that allow the phone to be used to control electrical devices such as receivers and screens. It also has another input for an additional mic to isolate noise.
Lower limb:
The Xiaomi Redmi Note 9 has a USB Type C charging port at the bottom, in addition to the external speaker port, the 3.5 mm headphone port, and the mic port for noise isolation.
Machine Color:
Available in gradient white, gradient grey, and gradient green.
System & Processors
The Xiaomi Redmi Note 9 runs Android 10 and can be updated to Android 11.
The phone works with an MIUI 12.5 e interface
Main processor features:
It features an Helio G85 processor from MediaTek.
Octa-core 2-core cortex A75 2 GHz performance and six cortex A55 1.8 GHz power-saving cortex A55.
Manufacturing architecture: 8 nanotechnologies were used in the manufacture of the phone, which results in better performance and energy savings.
CPU Graphics Processor:
The processor is mali-g52 2eemc2.
Consists of two 1000MHz cores
Memory
The first version with 64 GB internal memory and 3/4 GB LPDDR4X RAM.
The second version has 128 GB of internal memory and 6/4 GB of LPDDR4X RAM.
The device supports an external memory card to increase the storage space of the device.
camera:
Redmi Note 9 consists of a front camera and a rear camera consisting of four lenses the specifications of these cameras:
Main Speaking: 48MP, f/1.8, 0.8μm
Second lens: 8 megapixels, f/2.2, 1.12-micron wide-angle lens
Third lens: 2MP depth lens, f/2.4
Fourth lens: 2MP macro lens with f/2.4 aperture.
Selfie Camera: 13 MP, f/2.3 camera, 1.12 microns
Charging and battery:
The device features an internal battery with a capacity of 5020 mAh, which is not removable type LÄ°-PO. Supports 18W fast charging Supports 8W reverse charging.
Sensors:
Supports an accelerometer sensor, through which the direction of gravity affecting the device is determined, thus setting the angle of the phone and changing the direction of the screen display.
Supports a proximity sensor, through which the phone screen is closed when a call comes in and the phone is brought closer to the ear to prevent wrong clicks.
Supports a gyroscope sensor, which is used to watch VR videos.
Supports the compass sensor, which is useful in determining the magnetic north and makes your phone work as a compass after downloading its application.
The phone supports a fingerprint sensor that sits on the back of the phone.
Network and communication elements:
Xiaomi Deadmi Note 9 supports 2G, 3G, and 4G networks
The phone is equipped with two SIMs, the first is nano-SIM and the second is dual stand by
Supports Wi-Fi technology with its versions B/G/N/AC.
Supports sharing technology with other devices Hot Spot via Wi-Fi.
Supports Bluetooth version five with LE power-saving technology and A2DP stereo support technology.
Supports NFC technology.
SUPPORTS GPS AND A-GPS IN ADDITION TO GALILEO, BDS, AND GLONASS
Box contents at purchase:
The box contains the Xiaomi Redmi Note 9.
The vertical charger supports 18W fast charging.
USB TYP C charger connection
Clear case to protect the phone.
Instruction and warranty manual.
Metal pin to open the lid of the slide house.
Disadvantages of the phone:
Radio does not support FM.
Does not support wireless charging.
Fast charging takes a long time to fully charge, approximately two and a half hours.
The phone case is plastic unlike its predecessor NOT 8 which was glass.
Does not support fifth-generation Bluetooth.
Does not support shooting 4K videos like its predecessor Note 8