🔑 Key Specs — Xiaomi Redmi Note 9 4G
- OS: Android 10, upgradable to Android 12, MIUI 14
- Chipset: Qualcomm SM6115 Snapdragon 662 (11 nm)
- Display: 6.53 inches, 104.7 cm2 (~83.4% screen-to-body ratio)
- Display Type: Li-Po 6000 mAh
- Storage: 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
- Main Camera: 8 MP, f/2.0, 27mm (wide), 1/4.0″, 1.12µm
- Battery: Li-Po 6000 mAh / 18W wired
2.5W reverse wired - Weight: 198 g (6.98 oz)
- NFC: No
- Colors: Gray, Green, Blue, Orange
- Price: About 130 EUR
✅ Pros
- Li-Po 6000 mAh battery
- 3.5mm headphone jack
- Dedicated microSD card slot
- Up to 256GB storage option
❌ Cons
- Slow charging speed
- No 5G support
Xiaomi Redmi Note 9 4G – Full Specifications and Complete Review
📅 Released 2020, November 26
⚡ Quick Overview
💻 Operating System
Android 10, up to Android 12, MIUI 14
📏 Dimensions & Weight
198g, 9.6mm thickness
💾 Memory & Storage
128GB/256GB storage, microSDXC
🔗 Services Xiaomi Redmi Note 9 4G
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🔧
Problem Solutions
Hardware Fix
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📥
Download Firmware
Rom & Flash
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🔓
Network Unlock
Unlock & FRP
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⚙️
Root Files
Root Files
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📑 Review Contents
Network
| Technology | GSM / CDMA / HSPA / LTE |
| 2G bands | GSM 850 / 900 / 1800 / 1900 CDMA 800 |
| 3G bands | HSDPA 850 / 900 / 2100 |
| 4G bands | 1, 3, 5, 8, 34, 38, 39, 40, 41 |
| Speed | HSPA, LTE |
Launch
| Announced | 2020, November 26 |
| Status | Available. Released 2020, November 26 |
Body
| Dimensions | 162.3 x 77.3 x 9.6 mm (6.39 x 3.04 x 0.38 in) |
| Weight | 198 g (6.98 oz) |
| Build | Glass front (Gorilla Glass 3), plastic frame, plastic back |
| SIM | Nano-SIM + Nano-SIM |
| Other | Water-repellent coating |
Display
| Type | IPS LCD, 400 nits (typ) |
| Size | 6.53 inches, 104.7 cm2 (~83.4% screen-to-body ratio) |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density) |
| Protection | Corning Gorilla Glass 3 |
Platform
| OS | Android 10, upgradable to Android 12, MIUI 14 |
| Chipset | Qualcomm SM6115 Snapdragon 662 (11 nm) |
| CPU | Octa-core (4×2.0 GHz Kryo 260 Gold & 4×1.8 GHz Kryo 260 Silver) |
| GPU | Adreno 610 |
Memory
| Card slot | microSDXC (dedicated slot) |
| Internal | 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM |
| Other | UFS 2.2 |
Main Camera
| Triple | 48 MP, f/1.8, 26mm (wide), 1/2.0″, 0.8µm, PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0″, 1.12µm Auxiliary lens |
| Features | LED flash, HDR, panorama |
| Video | 1080p@30fps |
Selfie camera
| Single | 8 MP, f/2.0, 27mm (wide), 1/4.0″, 1.12µm |
| Video | 1080p@30fps |
Sound
| Loudspeaker | Yes, with stereo speakers |
| 3.5mm jack | Yes |
| Other | 24-bit/192kHz Hi-Res audio |
Comms
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Bluetooth | 4.2, A2DP |
| Positioning | GPS, GLONASS, GALILEO, BDS |
| NFC | No |
| Infrared port | Yes |
| Radio | FM radio |
| USB | USB Type-C 2.0, OTG |
Features
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass |
Battery
| Type | Li-Po 6000 mAh |
| Charging | 18W wired 2.5W reverse wired |
Misc
| Colors | Gray, Green, Blue, Orange |
| Models | M2010J19SC |
| Price | About 130 EUR |
❓ Frequently Asked Questions — Xiaomi Redmi Note 9 4G
Q1: What is the operating system of Xiaomi Redmi Note 9 4G?
Android 10, upgradable to Android 12, MIUI 14
Q2: What is the battery capacity of Xiaomi Redmi Note 9 4G?
Li-Po 6000 mAh with 18W wired
2.5W reverse wired charging
Q3: What are the camera specs of Xiaomi Redmi Note 9 4G?
8 MP, f/2.0, 27mm (wide), 1/4.0″, 1.12µm
Q4: What is the storage capacity of Xiaomi Redmi Note 9 4G?
128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Q5: Does Xiaomi Redmi Note 9 4G support NFC?
No
Q6: What are the dimensions and weight of Xiaomi Redmi Note 9 4G?
162.3 x 77.3 x 9.6 mm (6.39 x 3.04 x 0.38 in) – Weight: 198 g (6.98 oz)
Q7: What chipset does Xiaomi Redmi Note 9 4G use?
Qualcomm SM6115 Snapdragon 662 (11 nm)
Q8: What is the price of Xiaomi Redmi Note 9 4G?
About 130 EUR