The Cooper Coulomb Dual is a smartphone designed for right-handed use, but it can also be used by left-handed individuals with some adjustments. The phone's power button has a flat design without any texture, which might make it difficult to spot for those who are not familiar with the device.
The phone features a 5.5-inch IPS LCD display with a resolution of 1920 x 1080 pixels, offering good brightness and a 72% NTSC color gamut. While the display is satisfactory, the thick bezels around it might be a concern for some users. The color reproduction and viewing angles are also adequate.
However, every time the author looks into the display, they notice the thick black bezels and find themselves distracted by them. This might not be an issue for everyone, but it could be a design flaw that needs attention from the manufacturer.
In terms of performance, the Cooper Coulomb Dual is powered by a Qualcomm Snapdragon 650 octa-core processor, backed by Adreno 510 GPU. The four Cortex A7 cores and four Cortex A53 cores work together to provide fast performance, making heavy multitasking and gaming seamless. Additionally, the inclusion of 4GB of DDR3 RAM ensures that the device can handle demanding tasks without any issues.
The phone's camera module features a dual lens setup with each lens having a megapixel sensor. One lens is an RGB sensor, while the other is a black-and-white sensor. The author was skeptical about the size of the lenses but decided to take a photo using both lenses and then again by blocking the black-and-white sensor. The results showed that there are differences in the photos taken with each lens, especially in low-light conditions.
The phone also has a range of camera modes, including SLR mode, which allows users to capture portraits with a bokeh effect. However, the software still struggles to blur the background, and taking such photos requires some processing time before capturing the next shot.
In terms of video recording, the Cooper Coulomb Dual can shoot up to 4K videos at 30 frames per second and slow-motion videos at 720p at 120fps. However, the phone lacks optical and electronic stabilization on the front camera, resulting in shaky footage when taken handheld.
The front camera features an 8-megapixel lens with a wide-angle lens, which takes good selfies under bright lighting conditions. However, selfies taken under artificial lights have noticeable grains, making them less desirable for everyday use.
The phone boots up on Android 6.0 (Marshmallow) with UI 5.8 layered on top, offering features like Doze mode and Google Now on Tap. The UI is heavily skinned and customizable, but it may take time to get familiar with the layout and design.
One of the standout features of the Cooper Coulomb Dual is its massive 4600mAh battery, which provides a full day's usage even in heavy use scenarios. The phone also supports fast charging and reverse charging, making it convenient for users on-the-go.
The phone has a USB Type-C port, but users with older devices may not be able to use their existing cables. In terms of network connectivity, the Cooper Coulomb Dual supports dual Nano-SIM cards, allowing users to switch between two different networks or carriers.
The phone features a range of sensors in its design, including Wi-Fi 802.11 a/b/g/n AC, Bluetooth 4.1, GPS, accelerometer, gyro, proximity, compass, and more. The rear-mounted fingerprint scanner is not the fastest but provides quick and accurate biometric authentication.
Overall, the Cooper Coulomb Dual is an impressive performer with powerful processing capabilities, excellent cameras, and long battery life. However, its non-expandable storage capacity of 32GB may be a drawback for some users who prefer more storage space.