BLU J4

General Information

• Colors:
• Blue, Black, Brown

• Price:
• About 70 EUR

Network/Bearer

• Technology:
• GSM / HSPA

• 2G bands:
• GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2

• 3G bands:
• HSDPA 850 / 900 / 1900 / 2100

• Speed:
• HSPA 21.1/5.76 Mbps

Launch

• Announced:
• 2019, October

• Status:
• Available. Released 2019, October

Physical Specifications

• Dimensions:
• 151 x 72.3 x 10 mm (5.94 x 2.85 x 0.39 in)

• Weight:
• 158 g (5.57 oz)

• SIM:
• Dual SIM (Nano-SIM, dual stand-by)

Display

• Type:
• IPS LCD capacitive touchscreen, 16M colors

• Size:
• 5.5 inches, 78.1 cm2 (~71.5% screen-to-body ratio)

• Resolution:
• 720 x 1440 pixels, 18:9 ratio (~293 ppi density)

Platform

• OS:
• Android 8.1 Oreo (Go edition)

• CPU:
• Quad-core 1.3 GHz Cortex-A7

• GPU:
• Mali-400

Memory

• Card slot:
• microSDXC

• Internal:
• 32GB 1GB RAM, eMMC 5.1

Main Camera

• Single:
• 8 MP, AF

• Features:
• LED flash

• Video:
• 720p@30fps

Selfie Camera

• Single:
• 8 MP

• Video:
• 720p@30fps

Sound

• Loudspeaker:
• Yes

• 3.5mm jack:
• Yes

Connectivity

• WLAN:
• Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot

• Bluetooth:
• 4.1, A2DP, LE

• GPS:
• Yes, with A-GPS

• Radio:
• FM radio

• USB:
• microUSB 2.0

Features

• Sensors:
• Accelerometer

• Messaging:
• SMS(threaded view), MMS, Email, Push Email, IM

• Browser:
• HTML5

Battery

• Browser:
• HTML5, Removable Li-Po 2200 mAh battery