BLU J4
Release Date
Released 2019, October
OS Version
Android 8.1 Oreo
Body
158g, 10mm thickness
RAM
1 GB RAM
Storage
32GB storage, microSDXC
Battery
2200 mAh
Display
Size
5.5"
Resolution
720x1440 pixels
Technology
IPS LCD
Camera
Main Camera
Video Recording
Front Camera
16MP
Hardware
Chipset
GPU
Adreno 660
Storage Options
32GB storage, microSDXC
| 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 |
| Announced | 2019, October |
| Status | Available. Released 2019, October |
| 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) |
| Type | Li-Po 2200 mAh, removable |
| Size | 5.5 inches, 78.1 cm2 (~71.5% screen-to-body ratio) |
| Resolution | 720 x 1440 pixels, 18:9 ratio (~293 ppi density) |
| OS | Android 8.1 Oreo (Go edition) |
| CPU | Quad-core 1.3 GHz Cortex-A7 |
| GPU | Mali-400 |
| Card slot | microSDXC |
| Internal | 32GB 1GB RAM |
| | eMMC 5.1 |
| Single | 8 MP |
| Features | LED flash |
| Video | 720p@30fps |
| Loudspeaker | Yes |
| 3.5mm jack | Yes |
| WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| Bluetooth | 4.1, A2DP, LE |
| GPS | Yes, with A-GPS |
| NFC | No |
| Radio | FM radio |
| USB | microUSB 2.0 |
| Sensors | Accelerometer |
| Colors | Blue, Black, Brown |
| Price | About 70 EUR |