Xiaomi Redmi 4 (4X)

Specifications
Xiaomi Redmi 4 (4X)
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  • 5.0" 720x1280 pixels
  • 13MP 1080p
  • 2-4GB RAM Snapdragon 435
  • 4100mAh Li-Po
Released 2017, May 150g, 8.7mm thickness Android 6.0.1, up to 7.1.2; MIUI 11 16GB/32GB/64GB storage, microSDXC
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REDMI 4

REDMI 4X

REDMI 4X (ID)

Also known as Xiaomi Redmi 4X for China, Malaysia, Pakistan, Indonesia

Network
Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 850 / 900 / 1900 / 2100
4G bands LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)
Speed HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/100 Mbps
Launch
Announced 2017, May
Status Available. Released 2017, May
Body
Dimensions 139.2 x 70 x 8.7 mm (5.48 x 2.76 x 0.34 in)
Weight 150 g (5.29 oz)
Build Glass front (Gorilla Glass), aluminum back, aluminum frame, plastic ends
SIM Hybrid Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by)
Display
Type IPS LCD capacitive touchscreen, 16M colors
Size 5.0 inches, 68.9 cm2 (~70.7% screen-to-body ratio)
Resolution 720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Protection Corning Gorilla Glass (unspecified version)
Platform
OS Android 6.0.1 (Marshmallow), upgradable to 7.1.2 (Nougat); MIUI 11
Chipset Qualcomm MSM8940 Snapdragon 435 (28 nm)
CPU Octa-core 1.4 GHz Cortex-A53
GPU Adreno 505
Memory
Card slot microSDXC (uses shared SIM slot)
Internal 16GB 2GB RAM, 16GB 3GB RAM, 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
 eMMC 5.1
Main Camera
Single 13 MP, f/2.0, PDAF
Features LED flash, HDR, panorama
Video 1080p@30fps
Selfie Camera
Single 5 MP, f/2.2
Video 1080p@30fps
Sound
Loudspeaker Yes
3.5mm jack Yes
Comms
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Bluetooth 4.2, A2DP, LE
GPS Yes, with A-GPS, GLONASS, BDS
Infrared port Yes
Radio FM radio
USB microUSB 2.0
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Battery
  Non-removable Li-Po 4100 mAh battery
Stand-by Up to 432 h (3G)
Talk time Up to 36 h (3G)
Music play Up to 87 h
Misc
Colors Black, Gold
Models 2016060, 2016090, MAG138, MAE136
SAR 0.77 W/kg (head)     0.83 W/kg (body)    
Price About 110 EUR
Tests
Performance GeekBench: 1819 (v4.4)
GFXBench: 5.1fps (ES 3.1 onscreen)
Display Contrast ratio: 915 (nominal), 2.920 (sunlight)
Camera Photo / Video
Loudspeaker Voice 64dB / Noise 70dB / Ring 72dB
Audio quality Noise -94.3dB / Crosstalk -94dB
Battery life Endurance rating 80h

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User opinions and reviews

  • Qasim

Only 2g network running on my redmi 4x from the past 5 days Other options like 3g and LTE not working from the past 5 days... Please guide me in this matter.

  • jhr cronos

Happen the same with mine 4 days ago. The sim card has a slot in one side. Enter a really small pin in a hole, push, and the tray will pop. To open the back, i saw someone making an open with a screwwdriver, small, and the with his own nail kept...

  • Carla

please tell me how to remove the back cover so I can get to SIM card. I dropped phone in water a week ago & it is dead....need to open ...

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