Blackview Oscal C20: Pros and Cons
Blackview announced the launch of the Oscal C20 smartphone in 2021. The manufacturer is offering this smartphone with 6.09 inch IPS display, Unisoc SC7731E SoC, and 1 GB of RAM. The Oscal C20 series was launched with Android OS v11.0 Go Edition pre-installed, but it is upgradable. The IPS display panel has good color accuracy. It can display a wide range of colors, this makes visuals look more lifelike and vivid This smartphone has a single camera on the back (5 MP, 2560 x 1944 px, autofocus). Does this phone justify its price tag? I hope to provide clarity by the conclusion of my review.
Table of Contents
- Blackview Oscal C20 specifications
- Weight, dimensions, colors
- System, chipset, performance
- Display type, size, resolution
- Memory, storage
- Cameras, flash
- Connectivity, network, wireless
- Battery type, capacity, charger
- Features, sensors, specials
- Verdict, pros and cons
This article shares our personal experiences and thoughts about using the Blackview Oscal C20 smartphone. We hope to offer helpful insights to others interested in this device. The specifications below are from the official manufacturer data, but we also consider user reviews. If you've seen any mistakes or things missing in these specifications, please let us know.
Blackview Oscal C20 specifications
Brand | Blackview |
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Name | Oscal C20 |
Model | OSCALC20 |
Release date | 2021 |
Weight, dimensions, colors
Weight | 5.36 oz |
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Dimensions | 6.12 x 2.89 x 0.38 inch |
Colors | black, blue, green, lavender |
SIM type | Nano SIM |
The weight of Blackview Oscal C20 is about 5.36 oz with battery. This is average for smartphones of the same size. Smartphones use a Nano SIM as a small chipcard for a subscriber identity module (SIM).
System, chipset, performance
OS version | Android OS v11.0 Go Edition |
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SoC | Unisoc SC7731E |
CPU | Quad-core 1.3 GHz Cortex-A7 |
GPU | Mali-820 MP1 |
The Blackview Oscal C20 comes with Android OS v11.0 Go Edition out of the box. Google has integrated many services with Android. These include Google Maps, Gmail, and Google Drive. The mid-range CPU can deliver fast, efficient performance for many tasks. Many mobile devices use ARM Mali GPUs. They are well known for their good performance and power efficiency.
Display type, size, resolution
Display type | IPS |
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Screen size | 6.09 inch |
Resolution | 720 x 1560 px |
Multitouch support | yes |
The 6.09 inch IPS display has better features. These include optimal viewing angles, color accuracy, and unchanging color reproduction. The 6.09 inch display should be big enough for your needs. It will make viewing comfortable. This is true whether you're reading, browsing, or watching. The size of the screen is measured diagonally, from corner to corner.
Memory, storage
RAM | 1 GB |
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Internal storage | 32 GB |
Memory card slot | microSD |
1 GB of RAM is not typically considered to be enough for a smartphone. Having more RAM alone does not guarantee better performance. Generally, a smartphone should have a minimum of 32 GB of internal storage. The Oscal C20 has 32 GB. You can expand the internal storage (32 GB) with a compatible microSD card.
Cameras, flash
Main camera | 5 MP, 2560 x 1944 px, autofocus |
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Flash | LED |
Selfie camera | 2 MP |
The single camera can be enough for many smartphone users. It depends on their photography needs and preferences. The Oscal C20 does not have optical image stabilization (OIS).
Connectivity, network, wireless
GSM 2G bands | 850 / 900 / 1800 / 1900 |
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Network coverage | 2G / 3G |
Wi-Fi | Wi-Fi 802.11 b/g/n |
Bluetooth | v4.2, A2DP |
GPS | A-GPS |
NFC | no |
FM radio | yes |
USB | microUSB 2.0 |
Headphone | 3.5 mm jack |
The 3G is obsolete now, because most phones can use 4G and 5G networks. The phone is capable of connecting to Wi-Fi networks. The Oscal C20 smartphone is capable of connecting to Bluetooth devices. The GPS allows this smartphone to find their exact location. It provides accurate navigation and mapping. The phone isn't NFC (Near Field Communication) capable. NFC is not essential for basic phone functionality, but it can be useful. The 3.5 mm headphone jack allows you to connect wired headphones or earphones to the device.
Battery type, capacity, charger
Type | Li-Po 3380 mAh, non-removable |
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The Li-Po 3380 mAh, non-removable battery gives the smartphone a good battery backup. The lithium polymer (Li-Po) battery is a light-weight, rechargeable battery. The battery of Oscal C20 isn't removable without voiding the warranty.
Features, sensors, specials
Sensors | accelerometer, light, proximity |
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Specials | Dual SIM |
Today, smartphones come with many sensors. They help make the user experience better. The accelerometer provides information about the smartphone's movement in three axes. These are X (horizontal), Y (vertical), and Z (depth). The light sensor detects the level of light in the environment. Dual SIM is great for businesses. They want to give staff a device with separate numbers and bills for personal and business use.
Verdict, pros and cons
Every phone has its strengths and weaknesses, and this Blackview phone is no exception. As with any device, there are aspects that shine and others that fall short. By examining both sides, we can paint a complete picture of what this phone has to offer. Let's explore its standout features and areas for improvement. Remember, this is just my opinion, and yours might be different.
Pros
- appropriate screen size
- microSD slot
- Dual SIM support
Cons
- insufficient memory
- single camera setup
- no OIS function
- no 4G support
- no 5G support
- no NFC feature
- no Type-C USB port
- low-capacity battery
- no digital compass
- no fingerprint reader
Please let us know if you find incorrect information or something isn't working. Also, tell us if you have a suggestion for improvement.