In September 2019, Samsung launched its high-end mid-range phone, the A90, which supported fifth-generation (5G) Internet. Speculation is that the Koreans will offer the Galaxy A91 with the same specifications but without 5G. The mid-range features a large 6.7-inch full-screen Infiniti U display with a Snapdragon 855 chip and a large 4,500mAh battery that supports 45-watt fast-charging technology that will charge the battery in much less time. One of the reasons for launching this phone without 5G technology may be to lower its price so that more users can buy this product.
The display of this smartphone is 6.7 inches with a surface area of 108.4 square centimeters and the ratio of the display to the body is 86.1% and it is equipped with a capacitive Super AMOLED LCD with a display of 16 million colors. The screen resolution of this iPhone is 2400 × 1080 pixels and its pixel density is approximately 393 pixels per inch. This panel displays images with a 20: 9 aspect ratio. And its unique feature is having the screen always on. Older displays have a high brightness. This screen has a brightness of 676 nits in the auto brightness adjustment mode, which is well readable in sunlight, this amount reaches 376 nits in the manual mode. The minimum brightness of this screen is 2.65 nits, which can be read in low light and dark spaces, but it uses the blue filter feature to avoid eye irritation. Color modes on the Galaxy A91 include "Natural" mode, which is calibrated based on sRGB space and displays more natural colors, and "Vivid" mode, which is used to display more saturated and vibrant colors based on DCI P3 space. This old panel also uses the always-on display feature. Ambient light sensor, proximity sensor, and LED warning are also located below the display. Thanks to the rotation mechanism used for the camera, the screen of the Galaxy A91 is integrated and does not have any gaps or cuts for the selfie camera.
The body of this smartphone is made in the dimensions of 164.8 × 76.4 × 8.4 mm and weighs 206 grams. The front panel is made of Gorilla Glass 6 and the back is made of Gorilla Glass 6 with aluminum frame. The phone supports IP water resistance standard for water and dust resistance. Due to the size and weight of this phone, if you do not have large hands, it will be a little difficult to use one hand with this phone, but still, the low and high volume keys and the power button are located on the edge so that access to all three The key is easily possible with one hand. At the bottom edge is a SIM card and speaker port (without stereo sound) and a USB Type-C port. This smartphone mobile does not have a 3.5 mm headphone jack.
The Galaxy A91 uses Samsung's custom One UI on Android 10.0. The smartphone has a built-in Snapdragon 855 chipset, which is moderately powerful and higher than Qualcomm, and is actually the best performance you can expect from the 855-series SoCs. This phone is equipped with an 8-core processor and Adreno 640 graphics processor.
The fingerprint sensor on the back provides security and unlocks the phone with a fingerprint. The phone's fingerprint scanner is optical, unlike the S series, which is ultrasonic, but the speed of this scanner is not as fast as the OnePlus. Fingerprint scanners are often used and in fact, it is always on and you just need to put your finger on it. The internal memory of this phone is 128 GB and 8 GB of RAM.
The Galaxy A91 has a triple camera with an additional ToF camera for depth data collection. This phone has two cameras, and if you consider the ToF camera as a camera for photography, it actually has three cameras. The main camera is equipped with the unique Sony IMX586 quad-sensor with a quality of 48 megapixels with f / 2.0 image aperture, which has optical image stabilization. The second camera is 12 megapixels with a relatively low resolution and has a relatively low resolution. The lens has a field of view of 123 degrees and an aperture of f / 2.2. This camera is equipped with fixed focus. The third camera is the ToF (flight duration) or 3D depth camera in Samsung. It emits a set of laser beams and measures their travel time, thereby reconstructing the depth map. This camera is used to capture the exact details of the subject and photos with bokeh effect. The rear cameras are equipped with LED flash and have the ability to create panoramic images and support the HDR standard. The selfie camera is a 32-megapixel with f / 2.2 wide aperture with a 25mm lens that supports HDR technology and is capable of creating 108-pixel video images at 30 frames per second.
This product is equipped with a 4500 mAh battery - its size is desirable and in this respect it is the same as the A70 battery. The Galaxy A91 supports a fast 45-watt charger that boosts the battery to 55% in 30 minutes.
The Galaxy A91 supports wireless networking and is equipped with Bluetooth, GPS, FM radio, and USB Type-C and a reverse connector. This product will be produced in white and black colors.
