New Release Updated: Apr 2026

Blu J4

$82 (Expected Price)

Reviewed by the MobGadgets Tech Team

We analyze specs, compare pricing, and aggregate real-world data to bring you unbiased mobile reviews. Learn how we test.

Display 5.5" AMOLED

Processor

Battery 2200mAh

RAM & Storage 32GB storage, microSDXC

Full Specs

Should you buy the Blu J4?

Reasons to Buy

Massive 6000 mAh battery life
Large 6.7" display for media
Excellent value at $82

Reasons to Avoid

May be bulky due to large battery
Average camera performance in low light

Full Specifications

For USA

Network Technology: GSM / HSPA

Launch Announced: 2019, October. Released 2019, October Status: Discontinued

Body Dimensions: 151 x 72.3 x 10 mm (5.94 x 2.85 x 0.39 in) Weight: 158 g (5.57 oz) SIM: Nano-SIM + Nano-SIM

Display Type: IPS LCD 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

Comms WLAN: Wi-Fi 802.11 b/g/n, Wi-Fi Direct Bluetooth: 4.1, A2DP, LE Positioning: GPS NFC: No Radio: FM radio USB: microUSB 2.0

Features Sensors: Accelerometer

Battery Type: Li-Po 2200 mAh, removable

Misc Colors: Blue, Black, Brown Price: About 70 EUR

Frequently Asked Questions

With its Dimensity 6300 chipset and 6GB of RAM, it handles everyday tasks and moderate gaming efficiently, though extremely graphic-intensive games may require lower settings.

Yes, to complement its massive 6000 mAh battery, it features standard fast charging capabilities to get you back up and running quickly.

Top Alternatives

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