Redmi Note 9S Full Specifications
General
| Brand | Xiaomi |
| Model | Redmi Note 9S |
| Release date | 23rd March 2020 |
| Launched in India | Yes |
| Form factor | Touchscreen |
| Dimensions (mm) | 165.70 x 76.60 x 8.80 |
| Weight (g) | 209.00 |
| Battery capacity (mAh) | 5020 |
| Fast charging | Proprietary |
| Colours | Aurora Blue, Glacier White, Interstellar Grey |
Display
| Screen size (inches) | 6.67 |
| Touchscreen | Yes |
| Resolution | 1080×2400 pixels |
| Protection type | Gorilla Glass |
| Aspect ratio | 20:9 |
Hardware
| Processor | 2.3GHz octa-core |
| Processor make | Qualcomm Snapdragon 720G |
| RAM | 6GB |
| Internal storage | 128GB |
| Expandable storage | Yes |
| Expandable storage type | microSD |
| Expandable storage up to (GB) | 512 |
| Dedicated microSD slot | Yes |
Camera
| Rear camera | 48-megapixel (f/1.79) + 8-megapixel + 5-megapixel + 2-megapixel |
| Rear autofocus | Phase detection autofocus |
| Front camera | 16-megapixel |
Software
| Operating system | Android 10 |
| Skin | MIUI 11 |
Connectivity
| Wi-Fi | Yes |
| Wi-Fi standards supported | 802.11 a/b/g/n/ac |
| GPS | Yes |
| Bluetooth | Yes, v 5.00 |
| USB Type-C | Yes |
| Headphones | 3.5mm |
| Number of SIMs | 2 |
| Wi-Fi Direct | Yes |
| Active 4G on both SIM cards | Yes |
| SIM 1 | |
| SIM Type | Nano-SIM |
| GSM/CDMA | GSM |
| 3G | Yes |
| 4G/ LTE | Yes |
| Supports 4G in India (Band 40) | Yes |
| SIM 2 | |
| SIM Type | Nano-SIM |
| GSM/CDMA | GSM |
| 3G | Yes |
| 4G/ LTE | Yes |
| Supports 4G in India (Band 40) | Yes |
Sensors
| Face unlock | Yes |
| Fingerprint sensor | Yes |
| Compass/ Magnetometer | Yes |
| Proximity sensor | Yes |
| Accelerometer | Yes |
| Ambient light sensor | Yes |
| Gyroscope | Yes |