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Blackview Oscal C20

Blackview Oscal C20
Brand: Blackview
Category: Phones
  • Display 6.088 inch HD+ display
  • Camera 5MP Dual Main/ 2MP front
  • Memory 1GB RAM / 32GB ROM
  • Platform UNISOC SC7731E / Android 11

Our Rating

The rating is based on the opinions of users and reliable reviewers.

  • Design, Built Quality 7 / 10
  • Display Quality 9 / 10
  • Camera Quality 9 / 10
  • Audio & Multimedia 7 / 10
  • OS and Usability 9 / 10
  • Battery Performance 10 / 10

Blackview Oscal C20 Highlights and Overview

Blackview Oscal C20 is the smaller options to the C20 Pro. This model does not have 4G-LTE network, and it is powered by a quad-core CPU. But you are getting the same 6.088-inches HD+ screen on the front, and the phone has a U-shaped notch on overhead, housing the selfie camera.

Blackview Oscal C20 Blackview Oscal C20 full specs

Powering the Oscal C20 is UNiSOC’s SC7731E quad-core CPU clocked @1.3GHz. Graphic options is handled by Mali-T820 MP1 GPU, backed by 1GB RAM and 32-Gigs of built-in storage.

The camera specs on the vanilla C20 includes a 5-megapixel snapper on the rear, along with a depth sensor and an LED flash, a single 2-megapixel selfie lens is used on the front.

Blackview Oscal C20 Oscal C20 Pro 3 1

No fingerprint scanner is available on the phone, except AI faceID. The same 3380mAh battery is used on the inside, while Google Android 11 (Go Edition) is available out of the box. The table below contains the full spec of Blackview Oscal C20 smartphone.

Blackview Oscal C20 Full Specifications and Features


Technology GSM / HSPA
2G Network Bands GSM Bands 2(1900), 3(1800), 5(850), 8(900) - SIM 1 and SIM 2
3G Network Bands HSDPA Bands 1(2100), 8(900)
5G Network Bands Does not have support for 5G Network
Speed HSPA 42.2/5.76 Mbps


Also Known As -


Dimensions 155.4 x 73.3 x 9.75 mm
Weight 152 grams
Build Front glass, plastic body
SIM Type Dual SIM (Nano-SIM, dual stand-by)


Display Type IPS LCD capacitive touchscreen, 16M colors
Size 6.088 inches, 96.7 cm2 (~81.3% screen-to-body ratio)
Resolution 720 x 1560 pixels, 19.5:9 ratio (~282 ppi density)


Operating System Android 11 (Go Edition)
Chipset UNISOC SC7731e
CPU Quad-core (1.3GHz Cortex-A7)
GPU Mali-T820 MP1


RAM + ROM 1GB + 32GB
Card Slot microSD, up to 128GB (uses SIM 2 slot)


Camera Type Double Lenses
Camera Sensor(s) Main: 5 MP
Depth: 0.3 MP
Camera Features Autofocus / Continuous shooting / Digital zoom / LED flash
Video Resolution 720p@30fps


Camera Type Single Lens
Camera Sensor(s) 2 megapixel front
Camera Features Face unlock
Video Resolution 480@30fps


Loudspeaker Yes
Speaker Location At the back of the phone
Audio Jack Type Yes, 3.5mm audio jack


Bluetooth Bluetooth 4.2, A2DP


Battery Capacity Non-removable Li-Ion 3380mAh battery


Sensors Fingerprint (side-mounted), accelerometer, proximity, compass
Box Contents Charging Brick / USB cable

Blackview Oscal C20 User Reviews and Opinions


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Disclaimer Note

We CANNOT guarantee 100% accuracy for the specification table above.