Redmi 4X

Xiaomi Redmi 4X
(Xiaomi Redmi 4 in India)

Developer	Xiaomi
Manufacturer	Xiaomi
Colors	Black, gold and rose gold
Series	Redmi
Model	Redmi 4X: MAE136, MAG138, MAT136 Redmi 4 (India): MAI132
Codename	santoni
Compatible networks	GSM, 3G, 4G (LTE)
First released	14 February 2017; 7 years ago (2017-02-14)
Predecessor	Redmi 3 Redmi 3X
Successor	Redmi 5
Related	Redmi 4 Redmi 4A
Type	Smartphone
Form factor	Slate
Dimensions	139.2 × 70 × 8.7 mm
Weight	150 g (5.3 oz)
Operating system	Initial: Android 6.0.1 Marshmallow + MIUI 8 Current: Android 7.1.2 Nougat + MIUI 11
System-on-chip	Qualcomm MSM8940 Snapdragon 435
CPU	8×1.4 GHz Cortex-A53
GPU	Adreno 505
Modem	Qualcomm Snapdragon X9 LTE
Memory	Redmi 4X: 2/3 GB Redmi 4 (India): 2/3/4 GB LPDDR3
Storage	Redmi 4X: 16/32 GB Redmi 4 (India): 16/32/64 GB eMMC 5.1
Removable storage	MicroSDXC up to 128 GB
SIM	Hybrid Dual SIM (Micro-SIM + Nano-SIM)
Battery	Non-removable, Li-Po 4100 mAh
Charging	10 W
Display	IPS LCD, 5.0", 1280 × 720 (HD), 16:9, 294 ppi
Rear camera	13 Mp, f/2.0, PDAF LED flash, HDR, panorama Video: 1080p@30fps
Front camera	5 Mp, f/2.2 Video: 1080p@30fps
Connectivity	microUSB 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
Other	Fingerprint scanner (rear), proximity sensor, accelerometer, gyroscope, compass
SAR	Head 0.77 W/kg Body 0.83 W/kg
References	[1]

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]

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.

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.

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.