Overall Score
54.5Category Breakdown
Overall(#6112)54.5
Performance(#9019)54.3
Camera(#5798)42.1
Display(#4813)70.5
Battery(#8064)43.5
Build(#6494)70.8
Comparisons Featuring BLU J4
Short Review
- The BLU J4 features a simple design with dimensions of 151 x 72.3 x 10 mm and a weight of 158 grams, making it comfortable to hold.
- Its 5.5-inch IPS LCD display offers a resolution of 720 x 1440 pixels, providing decent clarity at approximately 293 ppi.
- Performance is driven by a quad-core 1.3 GHz Cortex-A7 CPU and Mali-400 GPU, paired with 1GB of RAM, which is adequate for basic tasks.
- The camera setup includes an 8 MP rear camera with autofocus and a matching 8 MP front camera, capable of recording video at 720p.
- Battery life is supported by a 2200 mAh capacity, although it lacks fast or wireless charging options.
- The device runs on Android 8.1 Oreo (Go edition), optimized for lower-end hardware.
- Connectivity options include Wi-Fi 802.11 b/g/n and Bluetooth 4.1, but it does not support 5G or NFC.
- The phone is available in blue, black, and brown colors, adding some variety.
- It also includes a headphone jack, which is a useful feature for audio connectivity.
- Overall, the BLU J4 is a basic smartphone suitable for everyday use.
Specifications
General
Release Date2019
Announced2019
DescriptionFor USA
Display
Size5.5"
TypeIPS LCD
Resolution720 x 1440 pixels, 18:9 ratio (~293 ppi density)
PPI720
Refresh Rate60Hz
Peak BrightnessN/A
HDR Support✗
ProtectionN/A
Performance
ChipsetN/A
CPUQuad-core 1.3 GHz Cortex-A7
GPUMali-400
Memory32GB 1GB RAM
Expandable Storage✗
Card SlotmicroSDXC
Camera
Main Camera8 MP
Main Camera Details8 MP, AF
Front Camera8 MP
Front Camera Details8 MP
Video Recording720p@30fps
Selfie Video720p@30fps
OIS✗
Night Mode✗
RAW Support✗
Battery
Capacity2200 mAh
Battery DetailsLi-Po 2200 mAh, removable
Charging DetailsN/A
Fast Charging✗
Wireless Charging✗
Build & Design
Dimensions151 x 72.3 x 10 mm (5.94 x 2.85 x 0.39 in)
Weight158 g
MaterialsN/A
Water ResistanceN/A
ColorsBlue, Black, Brown
Foldable✗
Connectivity
SIMNano-SIM + Nano-SIM
NetworkGSM / HSPA
Network SpeedHSPA 21.1/5.76 Mbps
5G✗
4G✗
WiFiWi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth4.1, A2DP, LE
NFC✗
USBmicroUSB 2.0
IR Blaster✗
Headphone Jack✓
Radio✗
PositioningGPS
Software
Operating SystemAndroid 8.1 Oreo (Go edition)
OS VersionAndroid 8.1 Oreo (Go edition)
Security
Fingerprint✗
Face Unlock✗
SensorsAccelerometer
Audio
Stereo Speakers✗
LoudspeakerYes
Audio JackYes