The Xiaomi Redmi 4X is an Android budget smartphone developed by Xiaomi company as a part of the Redmi series and an improved version of the Redmi 4. It was announced on February 14, 2017. In India, the Redmi 4X was sold as Xiaomi Redmi 4.[2]

Xiaomi Redmi 4X
(Xiaomi Redmi 4 in India)
DeveloperXiaomi
ManufacturerXiaomi
TypeSmartphone
SeriesRedmi
First released14 February 2017; 7 years ago (2017-02-14)
PredecessorRedmi 3
Redmi 3X
SuccessorRedmi 5
RelatedRedmi 4
Redmi 4A
Compatible networksGSM, 3G, 4G (LTE)
Form factorSlate
ColorsBlack, gold and rose gold
Dimensions139.2 × 70 × 8.7 mm
Weight150 g (5.3 oz)
Operating systemInitial: Android 6.0.1 Marshmallow + MIUI 8
Current: Android 7.1.2 Nougat + MIUI 11
System-on-chipQualcomm MSM8940 Snapdragon 435
CPU8×1.4 GHz Cortex-A53
GPUAdreno 505
ModemQualcomm Snapdragon X9 LTE
MemoryRedmi 4X: 2/3 GB
Redmi 4 (India): 2/3/4 GB
LPDDR3
StorageRedmi 4X: 16/32 GB
Redmi 4 (India): 16/32/64 GB
eMMC 5.1
Removable storageMicroSDXC up to 128 GB
SIMHybrid Dual SIM (Micro-SIM + Nano-SIM)
BatteryNon-removable, Li-Po 4100 mAh
Charging10 W
Rear camera13 Mp, f/2.0, PDAF
LED flash, HDR, panorama
Video: 1080p@30fps
Front camera5 Mp, f/2.2
Video: 1080p@30fps
DisplayIPS LCD, 5.0", 1280 × 720 (HD), 16:9, 294 ppi
ConnectivitymicroUSB 2.0, 3.5 mm Audio, Bluetooth 4.2 (A2DP, LE), IR port, FM radio, Wi-Fi 802.11 b/g/n (Wi-Fi Direct), GPS, A-GPS, GLONASS, BDS
ModelRedmi 4X: MAE136, MAG138, MAT136
Redmi 4 (India): MAI132
Codenamesantoni
SARHead 0.77 W/kg
Body 0.83 W/kg
OtherFingerprint scanner (rear), proximity sensor, accelerometer, gyroscope, compass
References[1]

Design

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The front of the Redmi 4X is made of glass and the body is made of aluminium with plastic strips on top and bottom.

From the back, the smartphone looks like the Redmi 4A.

At the bottom are the microUSB connector, the speaker and the speaker-styled microphone. On top are 3.5 mm audio jack, a second microphone and IR port. On the left side of the smartphone there is a hybrid slot for 2 SIM cards or 1 SIM card and a microSD format memory card up to 128 GB. On the right side are the volume buttons and the smartphone lock button. The fingerprint scanner is located on the back panel.

The Redmi 4X was sold in 3 colors: black, gold and rose gold.

Specifications

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Hardware

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The smartphone features a Qualcomm Snapdragon 435 SoC with an Adreno 505 GPU.[3] The Redmi 4X was sold in 2/16 and 3/32 GB memory configurations, and the Indian version of the Redmi 4 was sold in of 2/16, 3/16, 3/32, 4/32 and 4/64 GB memory configurations.

The battery received a volume of 4100 mAh.[4]

The Redmi 4X features a 5-inch IPS LCD display with HD (1280 × 720) resolution, a 16:9 aspect ratio of and a pixel density of 294 ppi.

The smartphone also received the main 13 MP with an f/2.0 aperture and phase detection autofocus, and the front 5 MP an f/2.2 aperture of. Both cameras are capable of recording video at up to 1080p@30fps.

Software

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The smartphone was released on MIUI 8 based on Android 6.0.1 Marshmallow. Later, the phone was updated to MIUI 11 based on Android 7.1.2 Nougat.

References

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  1. ^ "Xiaomi Redmi 4 (4X) - Full phone specifications". www.gsmarena.com. Archived from the original on January 17, 2021. Retrieved 2020-04-19.
  2. ^ "Redmi 4 Price and Features - Mi India". www.mi.com. Archived from the original on November 11, 2020. Retrieved 2020-04-19.
  3. ^ Matvyenko, Vytalyi (19 May 2017). "Xiaomi Redmi 4X review - ITC.ua". itc.ua (in Russian). Archived from the original on April 17, 2021. Retrieved 2021-04-17.
  4. ^ "In addition to Mi 5c and Surge S1, the Chinese company announced Xiaomi Redmi 4X". Pingvin.Pro (in Ukrainian). 2017-03-01. Archived from the original on April 17, 2021. Retrieved 2021-04-17.