Cubot J20: Evaluating Its Potential

Android OS v12.0 Go Edition
Mediatek MT6739WA
2 GB / 16 GB
4 inch 480 x 854 px

The Cubot J20 (J20) smartphone released in 2023. It is powered by Mediatek MT6739WA chipset, 2 GB of RAM and 16 GB of internal storage.

Out of the box, the J20 is equipped with the latest operating system, specifically Android OS v12.0 Go Edition. The J20 smartphone features a stunning IPS display that takes visual quality to the next level. With its high resolution and exceptional color accuracy, the IPS panel on the Cubot J20 presents images and videos with incredible detail and vibrant hues. If photography is a significant priority and you desire advanced camera features or higher image quality, you might need to consider smartphones with more advanced camera systems. The J20's selfie camera excels in video chats and video calling, providing clear and detailed video output.

Cubot J20 (J20) pictures

Cubot J20 / J20 photo
Cubot J20 / J20 photo
Cubot J20 / J20

Cubot J20 (J20) specifications

Rated 3/5 based on 41 user votes.


Weight143 g
Dimensions138 x 65 x 10.8 mm
SIM typeNano SIM

The J20 is designed to be lightweight and compact without sacrificing durability or performance. The J20 smartphone has dimensions that fall within the average range, measuring approximately 138 x 65 x 10.8 mm. This Cubot smartphone comes in a wide spectrum of colors, allowing users to find their perfect match. SIM cards can store contact information, such as the subscriber's phone numbers, address book entries, and SMS messages. If you want to transfer your mobile service from one device to another, Nano SIM cards make the process straightforward. You can simply remove the nano SIM card from one device and insert it into another compatible device, enabling you to quickly switch devices without any hassle.


OSAndroid OS v12.0 Go Edition
ChipsetMediatek MT6739WA
CPUQuad-core 1.3 GHz Cortex-A53
GPUPowerVR GE8100
PerformanceAnTuTu v9: 38850

The Cubot J20 runs on Android OS v12.0 Go Edition out of the box, but the J20's firmware can be upgraded to a newer version of OS. Android operates as an open-source OS, allowing developers unrestricted access to its source code for examination, alteration, and personalization. The Cubot J20 comes with Mediatek MT6739WA chipset, accompanied by 2 GB of RAM and 16 GB of internal storage. With its mid-range quad-core CPU, the Mediatek MT6739WA offers a dependable balance between processing power and energy efficiency.

The PowerVR GE8100 GPU features advanced texture compression technologies, reducing memory footprint and improving graphics performance while maintaining visual quality. AnTuTu Benchmark stands out as the go-to benchmarking app for Android smartphones, enabling users to evaluate the general performance of their devices.


Size4 inch
Resolution480 x 854 px

Screen size is established by measuring the diagonal length between one corner of the display and the opposite corner. The 4 inch display offers a compact form factor, making it easy to carry and fit comfortably in pockets or small bags. The 480 x 854 px resolution allows for clear text, vibrant colors, and enjoyable multimedia viewing on the device. Interacting with the J20 is made easy thanks to its multi-touch enabled screen.


Internal storage16 GB
External storagemicroSD

Typically, 2 GB of RAM is considered insufficient to cater to the needs of a smartphone. A smartphone equipped with higher RAM capacity offers enhanced performance and multitasking capabilities, allowing users to seamlessly switch between apps and enjoy a smoother overall user experience. With a modest 16 GB of internal storage, users may find themselves having to carefully manage their files, constantly deleting or transferring data to free up space. The J20 supports expandable storage via a microSD card, giving you the freedom to add additional storage space and accommodate more apps, games, and media files on your device.


Rear camera5 MP
2560 x 1920 px
Front camera2 MP

The J20 smartphone prioritizes simplicity and affordability, opting for a single-camera setup on its back. The camera module on the J20 smartphone comes with the convenience of autofocus, allowing you to capture sharp and focused images effortlessly. Positioned on the rear side of the J20, there is an LED flash that aids in capturing well-lit photos even in low-light conditions. The J20 smartphone incorporates a dedicated front camera, allowing users to effortlessly capture self-portraits and engage in video calls with friends and family.


GSM850 / 900 / 1800 / 1900
Mobile network2G / 3G / 4G
WLANWi-Fi 802.11 b/g/n
Bluetoothv4.2, A2DP
FM radioyes
USBmicroUSB 2.0
Audio3.5 mm jack

GSM networks continue to provide reliable voice and data services to millions of users worldwide. With its 4G support, the J20 ensures that users can access online services and stay connected to their favorite apps and platforms, providing a smooth and responsive user experience. Wi-Fi functionality is integrated into the J20, enabling users to connect to Wi-Fi networks, stream media, download apps, and browse the internet with ease.

The J20 smartphone comes with integrated Bluetooth functionality, enabling users to enjoy the convenience of wireless connectivity for file transfers, audio streaming, and hands-free communication. This smartphone has a built-in GPS receiver. GPS is a satellite based navigation system that allows the determination of the exact geographical location on Earth. This Cubot smartphone has FM radio receiver. The J20 smartphone adopts the traditional microUSB connector, offering users a convenient way to charge their device and connect to various accessories, despite being an older technology. With its built-in 3.5 mm headphone connector, the J20 smartphone caters to those who appreciate the convenience and reliability of traditional wired audio accessories, enabling you to enjoy your favorite content with enhanced sound quality.


TypeLi-Po 2350 mAh

The J20 smartphone offers a reliable battery backup thanks to its Li-Po 2350 mAh battery. Li-Po batteries are known for their high energy efficiency. They can convert a greater percentage of stored energy into usable power, resulting in optimized battery performance and longer usage time for smartphones. Equipped with a removable battery, the J20 smartphone provides users with the peace of mind of having a reliable power source that can be easily swapped out.


SpecialsDual SIM

The J20 phone boasts an advanced ambient light sensor that intelligently analyzes the ambient light levels, enabling the device to automatically fine-tune the screen brightness for a comfortable viewing experience in various lighting environments. An accelerometer sensor, which measures acceleration and motion, is included in the features of the J20 phone. This phone has Dual SIM capability, which means that you can insert two different SIM cards and use them both from one phone.

Cubot J20 (J20) comparisons

According to our statistics, the Cubot J20 smartphone was most often compared on our site with the following smartphones.

The specifications above are based on the official data published by the manufacturer, but we also take user reviews into consideration. If you found an error or something lacking in the specifications above for the Cubot J20, then don’t hesitate and signal the problem to us. / Smartphones / Cubot / Cubot J20 (2023)