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BLU J2 phone review — specs and Genze score

BLU J2 Specifications

For USA

Blu

Released 2019, Dec 15

1 GB RAM

  • 146g, 10.3mm thickness
  • Android 8.1 Oreo
  • 32GB storage, microSDXC

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Genze vs community

Genze and community ratings are both shown on a /10 scale. Genze is derived from internal model scores and price rules; community averages come from approved reviews (1–10 per category).

Category Genze /10 Users /10
Battery 3.9
Display 4.6
Performance 2.6
Camera 3.6
Body 5.2
Gaming 3.5
Software 4.4
Connectivity 1.6
Sensors 7.2
Software updates
Clean software
Heating
Media
Genze total: 3.8/10

Community columns fill in when reviews are approved.

Quick specifications

5.0"

480x854 pixels

5MP

720p

1GB RAM

2000mAh

Score breakdown

From specs, price tier & release year

3.8 /10
Performance 2.6/10
Battery 3.9/10
Display 4.6/10
Camera 3.6/10
Body 5.2/10
Gaming 3.5/10
Software 4.4/10
Connectivity 1.6/10
Sensors 7.2/10
1.30 GHz BT 4.1 2019

Community ratings

Real-world feedback from people who use this device

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Full specifications

Technology GSM / HSPA
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 1900 / 2100
Speed HSPA 21.1/5.76 Mbps
Announced 2019, December. Released 2019, December
Status Discontinued
Dimensions 144 x 73.1 x 10.3 mm (5.67 x 2.88 x 0.41 in)
Weight 146 g (5.15 oz)
SIM Nano-SIM + Nano-SIM
Type IPS LCD
Size 5.0 inches, 68.9 cm2 (~65.4% screen-to-body ratio)
Resolution 480 x 854 pixels, 16:9 ratio (~196 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 5 MP
Features LED flash
Video 720p@30fps
Single 5 MP
Video 720p@30fps
Loudspeaker Yes
3.5mm jack Yes
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
Sensors Accelerometer
Type Li-Po 2000 mAh battery
Colors Blue, Black, Brown
Price About 50 EUR

BLU J2 official images

BLU J2

Frequently asked questions

Is BLU J2 worth buying in 2026?

BLU J2 is worth considering if its strengths match your priorities. Genze scores it 3.8/10 for its class. Read owner reviews and compare alternatives before you buy.

What is the battery capacity of BLU J2?

BLU J2 has a 2,000 mAh battery. Real-world endurance depends on chipset efficiency, display, and usage.

What display size does BLU J2 have?

BLU J2 features a 5.00-inch display. See the Display section for resolution, refresh rate, and panel details.

How much RAM does BLU J2 have?

BLU J2 is available with 1 GB RAM variants. Storage options are listed in the Memory section.

What is the Genze score for BLU J2?

Genze rates BLU J2 3.8/10 based on performance, display, camera, battery, body build, and value versus phones in the same price tier.

Where do these specifications come from?

Specifications are compiled from official manufacturer and carrier sources, reviewed by our editors where possible, and enriched with Genze scores and community feedback. GenZe Rank is not responsible for errors or omissions. Regional variants, firmware updates, and retailer listings may differ from what is shown here—always confirm critical details on the official product page before you buy.

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Battery

Gaming

Camera

Display

Performance

Heating

Media

Software updates

Clean software (no ads)

Value

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