June 18th, 2017 
Ali Mohamed 
Xiaomi Redmi 4 (4X) has Android 6.0.1 (Marshmallow), It offers an internal memory of 16/32/64 GB with 2&3&4 GB RAM, It presents a screen of HD resolution, And it comes with a battery capacity of 4100 mAh .
Xiaomi Redmi 4 (4X) specifications
General
| Announce date | 2017, May |
| Release date | 2017, May |
| Status | Available |
| Height × Width | 139.2 mm x 70 mm (5.48 inches x 2.76 inches) |
| Thickness | 8.7 mm (0.34 inches) |
| Weight | 150 g (5.29 ounces) |
| Phone build | * Aluminum frame * Glass front (Gorilla Glass) * Aluminum back * Plastic ends |
| SIM card | Hybrid Dual SIM (Micro-SIM/Nano-SIM, dual stand-by) |
| Colors | * Black * Gold |
| Another name | Xiaomi Redmi 4X – China, Malaysia, Pakistan, Indonesia |
Display
| Display type | IPS LCD capacitive touchscreen, 16M colors |
| Screen size | 5.0 inches (68.9 cm)2 (110.69 mm x 62.26 mm) |
| Screen-to-Body | 70.7% |
| Screen resolution | 720 x 1280 pixels [ HD resolution ] |
| Pixel density | ~294 ppi (pixels per inch) |
| Touchscreen type | Multi-touch screen |
| Screen protection | Corning Gorilla Glass (unspecified version) |
Main Camera
| Rear camera | 13 MP, f/2.0 |
| Camera features | * LED flash * Geo-tagging * Touch focus * Face detection * HDR * Panorama * Digital zoom * Phase detection autofocus |
| Rear video | 1080p@30fps [ Full HD video ] |
Selfie Camera
| Front camera | 5 MP, f/2.2 |
| Front video | 1080p@30fps |
Memory
| Card slot | MicroSDXC up to 128 GB (uses shared SIM slot) |
| Internal memory | 16 GB with 2&3 GB RAM or 32 GB with 3 GB RAM or 64 GB with 3&4 GB RAM |
| RAM | 2&3&4 GB RAM |
Battery
| Battery type | Lithium-polymer (Li-po) |
| Battery model | Non-removable |
| Battery capacity | 4100 mAh |
| Stand-by | Up to 432 h (3G) |
| Talk time | Up to 36 h (3G) |
| Music play | Up to 87 h |
Platform
| Operating System | Android 6.0.1 (Marshmallow) Upgradable to 7.1.2 (Nougat) |
| Chipset | Qualcomm MSM8940 Snapdragon 435 (28 nanometers) |
| Processor | Octa-core 1.4 GHz |
| Graphics | Adreno 505 |
| User interface (UI) | MIUI 11 |
Sensors
| Fingerprint | yes (rear-mounted) |
| Accelerometer | yes |
| Proximity | yes |
| Compass | yes |
| Gyroscope | yes |
| Ambient light | yes |
Networks & Connectivity
| 2G | GSM – SIM 1 & SIM 2 |
| 3G | HSDPA |
| 4G | * LTE * LTE – India (Band 40) |
| 3G Speed | HSPA 42.2/5.76 Mbps |
| 4G Speed | LTE-A (2CA) Cat6 300/100 Mbps |
| GPRS | yes |
| EDGE | yes |
| Wireless LAN | * Wi-Fi 802.11 b/g/n * Wi-Fi hotspot * Wi-Fi Direct |
| Bluetooth | v4.2 |
| Bluetooth Features | * LE * A2DP |
| USB | MicroUSB 2.0 |
| GPS | * GPS * A-GPS * BDS (BeiDou) * GLONASS |
| Radio | FM radio |
| Infrared port | yes |
Sound
| Types of alerts | * MP3 * Vibration * WAV ringtones |
| Loudspeaker | yes |
| Headphone jack | yes, 3.5mm jack |
Features
| Messages | * SMS (threaded view) * Push Email * MMS * IM |
| Music player | MP3/WAV/WMA/eAAC+/FLAC player |
| Video player | MP4/Xvid/H.264 player |
| Browser | HTML5 |
Other features
| – Document viewer – Photo/video editor |
Xiaomi Redmi 4 (4X) disadvantages
| Water proof | No |
| Removable battery | No |
| Fast charging | No |
| NFC | No |
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