Redmi Note 9 4 Ram/128 GB

Resolution:2340×1080 FHD+| 19.5:9
450nit(typ) brightness
Color contrast ratio:1500:1(typ)
NTSC:84%(typ)
TÜV Rheinland low blue light certification
Reading mode 2.0
Full Screen gestures
Plastic frame
Corning® Gorilla® Glass 5 front
Splash-proof nano coating

1/2″ sensor size
1.6μm 4-in-1 Super Pixel, 0.8μm pixel size
f/1.79
AF,6P lens,FOV 79.4°

FOV 118°
f/2.2
1/4″ sensor size
1.2μm pixel size,5P lens

AF (2cm-10cm)
1.75μm pixel size
f/2.4 aperture

1/5″ sensor size,
1.7μm pixel size
3P lens, f/2.4 FF

Night mode | Document mode | Cinematic portraits | Movie frame | 48MP HD | Smart ultra-wide angle mode | Rear camera Beautify | Steady handheld night photography | Portrait mode background blurring | Panorama mode | Pro mode | Macro mode | Photo timer | Leveling | Burst mode | Face recognition | HDR | Ultra wide-angle edge distortion correction | Custom watermark | Kaleidoscope | AI watermark | AI beautify

Cinematic video | Macro recording | Short video mode | Movie frame

1.12μm pixel size
1/3.06″ sensor size
f/2.25,5P lens,74°FOV

Panorama selfie | Portrait selfies | Palm shutter | Front camera HDR | Front facing flash | Face recognition | AI silhouette detection AI Beautify | AI portrait mode

Movie frame

* Actual available memory may vary due to various factors. As the operating system occupies a portion of the RAM, actual available memory is less than stated. As the phone comes with pre-installed applications, the actual storage size is smaller than stated.

* The local operator’s network determines whether 4G is supported

GSM: B2/3/5/8
WCDMA: B1/2/4/5/8
FDD-LTE: B1/2/3/4/5/7/8/20/28
TDD-LTE: B38/40/41(2535-2655MHz)

Supports protocols: 802.11a/b/g/n/ac
Supports 2.4G Wi-Fi / 5G Wi-Fi
Wi-Fi Direct / Wi-Fi Display
Supports Bluetooth 5.0

Proximity sensor | Ambient light sensor | Acceleration sensor | Gyroscope | Digital Compass | Fingerprint Sensor | IR Blaster