BLU J4

OS: Android 8.1 Oreo (Go edition)

CPU: Quad-core 1.3 GHz Cortex-A7

Display: 5.5" inc

Camera: 8 MP, Single

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BLU J4 smartphone runs on Android 8.1 Oreo (Go edition) operating system. The phone is powered by Quad-core 1.3 GHz Cortex-A7 processor. It has 32GB 1GB RAM. Internal storage options which can be extended with the help of microSDXC. The smartphone has a IPS LCD providing, Screen-to-Body Ratio of 71.5%. The smartphone is fueled with a 2200 mAh, Removable Li-Po. The main camera of the smartphone consists of a 8 MP, Single. The sensors include Accelerometer. Connectivity features in the smartphone include Bluetooth, A-GPS, Wi-Fi, 3.5 mm Jack and more. The BLU J4 are available in various colors such as Blue, Black, Brown. It measures 151 x 72.3 x 10 mm and weighs 158 g.

Hardware and OS BLU J4
Operating system:	Android 8.1 Oreo (Go edition)
Processor:	Quad-core 1.3 GHz Cortex-A7
GPU:	Mali-400
Internal memory:	32GB 1GB RAM
External memory:	microSDXC
Display BLU J4
Type:	IPS LCD
Size:	5.5" inc
Resolution:	720 x 1440 px
Touchscreen:	capacitive touchscreen
Screen-to-Body Ratio:	71.5%
Display area:	78.1 cm²
Display aspect ratio:	18:9 (height:width)
Pixel Density:	293 PPI
Colors:	16M
Connectivity BLU J4
2G Network:	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Wi-Fi:	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Network:	GSM / HSPA
SIM card:	Dual SIM (Nano-SIM, dual stand-by)
Bluetooth:	4.1, A2DP, LE
Edge:	Yes
GPRS:	Yes
GPS:	Yes, with A-GPS
Speed:	HSPA 21.1/5.76 Mbps
USB:	microUSB 2.0
Camera BLU J4
Main camera:	8 MP, Single
Specs:	8 MP, AF
Features:	LED flash
Video:	720p@30fps
Selfie camera:	8 MP, Single
Specs:	8 MP
Video:	720p@30fps
Multimedia BLU J4
3.5 mm Jack:	Yes
Radio:	FM radio
Design BLU J4
Colors:	Blue, Black, Brown
Dimensions:	151 x 72.3 x 10 mm
Weight:	158 g
Battery BLU J4
Battery capacity:	2200 mAh, Removable Li-Po
Other BLU J4
Release date:	2019, October
Sensors:	Accelerometer

BLU J4 Overview

The BLU J4 mobile is a budget-friendly smartphone that offers a range of features for everyday use. The device runs on the Android 8.1 Oreo (Go edition) operating system, which is optimized for entry-level smartphones to provide a smooth user experience. It is powered by a quad-core 1.3 GHz Cortex-A7 processor and Mali-400 GPU, making it capable of handling basic tasks and light multitasking.

With 32GB of internal storage and 1GB of RAM, the BLU J4 provides enough space for storing apps, photos, and other files. Additionally, the phone supports microSDXC external memory expansion, allowing users to further increase storage capacity.

The BLU J4 features a 5.5-inch IPS LCD display with a resolution of 720 x 1440 pixels, offering decent clarity and sharpness for watching videos and browsing the web. The screen-to-body ratio is 71.5%, providing a good viewing experience. The device has a pixel density of 293 PPI and supports 16 million colors.

In terms of connectivity, the BLU J4 supports GSM and HSPA networks, as well as Wi-Fi 802.11 b/g/n, Bluetooth 4.1, and GPS with A-GPS. The phone also features dual SIM support, a 3.5 mm headphone jack, FM radio, and a microUSB 2.0 port for charging and data transfer.

The main camera on the BLU J4 is 8 MP with autofocus and LED flash, capable of capturing decent photos and videos in 720p at 30fps. The selfie camera is also 8 MP, allowing for clear and detailed self-portraits.

Overall, the BLU J4 is a solid entry-level smartphone with a good balance of features and performance at an affordable price point.

Pros:
- Affordable price
- Decent display quality
- Expandable storage
- Dual SIM support
- Good camera performance for the price

Cons:
- Limited RAM may result in slower performance with heavy multitasking
- Older Android version may not support all the latest apps and features