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Samsung A90 price in Nigeria slot 2022 - specs and features -  telecom software

Samsung a90 price in nigeria

The Samsung Galaxy A90 is a less-expensive version of the Samsung Galaxy A80

This unit has the same 6.7-inch full-screen display as the A80, with an 85% screen-to-body ratio, but instead of the A80's "pop-up and rotate" sensor, it has a more standard pop-up front-facing camera.

SAMSUNG A90 In Nigeria slot 2022:

Samsung Galaxy A90 goes for around:
N245,000 to N294,000

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SAMSUNG GALAXY A90 Features And Specifications:


Resolution2400 × 1080 pixels ( 393 ppi density)

Dimensions164.8 × 76.4 ×  8.4 mm (6.49 × 3.01 × 0.33 inches)

Weight206g (7.27 oz)

SIMSingle SIM, or Dual SIM (Nano)

Screen Size6.7 inches Super AMOLED Full-HD display

Pixel density393 ppi (pixels per inch)

ColorsBlack, White

Release date

September, 2019


RAM6 GB / 8 GB RAM Variations;

Internal Storage

128 GB ROM;


Processor (Operating System)2.84GHz Octa-core, Kryo 485 | Android 9.0 (Pie), Upgradeable to Android 11, One UI 3.1

Processor ChipsetQualcomm SM8150, Snapdragon 855 (7nm)

Expandable StorageYes


Rear camera48 MP, f/2.0, 26mm (wide), 1/2.0″, 0.8µm, PDAF + 8 MP, f/2.2, 12mm (ultrawide), 1/4.0″, 1.12µm + 5 MP, f/2.2 (depth)

Front selfie camera32 MP f/2.0, 25mm (wide), 1/2.8″, 0.8µm

Video[email protected], 1920×1080p@60fps (gyro-EIS)1080×720p@960fps,



Capacity4500mAh Li-Po battery

Charging25W Fast charging



Signals2G, 3G, 4G LTE, 5G


Operating systemAndroid 9.0 (Pie), Upgradeable to Android 11, One UI 3.1




Wi-Fi standards Supported802.11 a/b/g/n/ac, Dual-band, Wi-Fi Direct, Hotspot


BluetoothYes – v5.0, A2DP, LE,

USBYes – USB v2.0, USB On-The-Go

FM (Radio)Yes

Number of SIMs2


Headphone-Jack3.5 mm


Face UnlockYes

Fingerprint SensorYes


Proximity sensorYes


Ambient light sensorYes

Mobile Category

Samsung A90 Specifications:

It comes with a 48 MP primary sensor, an 8 MP ultra-wide angle lens, and a TOF 3D camera sensor with PDAF, f/1.7 aperture, and a single LED flash are housed on the back of the camera.

The smartphone comes with a 4500mAh battery and a USB Type-C interface that enables 25W fast charging. It also runs on Android 9.0 Pie out of the box.

It is powered by Qualcomm Snapdragon 7150 processor.


The phone features 6/8 GB RAM and 128 GB of internal storage that can be expanded up to 512 GB with a microSD card (dedicated slot).

The Galaxy A90 has a 6.7-inch Super AMOLED display with a pixel density of 393 pixels per inch and a resolution of 1080 x 2400 pixels. 

It sports a 48 MP back camera. It contains a USB Type-C connection for charging and syncing data. 

The Galaxy A90 also has a fingerprint sensor, as well as a magnetic field sensor (compass), gyroscope sensor, proximity sensor, and accelerometer sensor. 

It's a Dual-SIM phone with 4G LTE, USB OTG, Wi-Fi, and GPS capabilities.

The Galaxy A90 is powered by a 3700 mAh battery and runs on Android 9.0 (Pie). 

It has dimensions of 165 x 76.5 x 9 mm (height x breadth x thickness) and weighs 219 grams with the battery.



SAMSUNG A90 Price In Nigeria Slot 2022 Lagos - SAMSUNG GALAXY A90 Slot Price Abuja:

On average, Prices of Phones in Slot are usually about N1,300 cheaper than prices elsewhere.

Mobile Phone Glossary And Terminologies:

GSM (Global System for Mobile Communications):

The GSM (Global System for Mobile Communications) network, often known as 2G, is the forerunner to the 3G and 4G networks.

Because GSM (Global System for Mobile Communications) was created to replace the analog cellular network (1G), it is referred as a 2G mobile network.

The advent of General Packet Radio Services (GPRS) and, later, Enhanced Data Rates for GSM Evolution (EDGE) technology improved it.

UMTS (Universal Mobile Telecommunication System):

The Universal Mobile Telecommunication System, abbreviated as UMTS, is also known as 3G and is one of the most widely used mobile communication technologies. 

It adheres to the technical specifications of the 3rd Generation Partnership Project (3GPP).


LTE (Long-Term Evolution):

LTE (short for Long-Term Evolution), is a wireless broadband communication standard for mobile devices and data terminals that is based on the GSM/EDGE and UMTS/HSPA technologies.

The 4th generation (4G) of mobile communications technology is known as LTE.

It was developed by the 3GPP to improve the speed and capacity of wireless data networks by combining GSM/EDGE and UMTS/HSPA technologies.


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WCDMA is the CDMA-based UMTS standard for 3G digital mobile networks. It is the next step in the evolution of GSM and EDGE to UMTS, and it provides greater voice capacity as well as theoretical peak data speeds of up to 2 Mbps.

The 3GPP task group is still working on WCDMA's evolution to 4G and has defined a number of evolutionary phases.

Together with TD-SCDMA and TD-CDMA, it is one of the three different UMTS interfaces.

The standard enables for better data speeds and more users to connect to the network at the same time.

Operating System (OS):

The operating system (OS) is the device's software "master control program."

It is the first program to load when the device is powered on, and its main component, the kernel, is always present in memory.

The operating system manages and controls the device's hardware components.


SoC (System On Chip):

A System on a Chip (SoC) is a single integrated circuit that integrates the majority of a system's elements (chip).

A Micro-processor core is usually combined with interface elements as well as analog and mixed signal functions.

On a single substrate, it may contain digital, analog, mixed-signal, and often radio-frequency functions.

The SoC integrates several hardware components, such as the CPU, GPU, Memory, Peripherals, Interfaces, and so on, with software to allow them to function.


CPU (Central Processing Unit):

The Central Processing Unit, or Processor, of a mobile device is known as the CPU.

It is the part of a computer/device system that manages the interpretation and execution of software instructions or tasks.

CPU Bits:

In a computer, a bit (short for binary digit) is the smallest unit of data. A bit might have a single value or a binary value.

The bit sizes of the processor registers, address buses, and data buses determine the CPU bits.

64-bit CPUs perform better than 32-bit CPUs, which, in turn, perform better than 16-bit processors.


CPU Cores:

The processor unit that executes software instructions is known as a CPU Core.

Apart from Single-Core Processors, Multi-Core Processors such as Dual-Core, Quad-Core, Hex-Core, and so on are now available.

They improve the device's performance by allowing many instructions or tasks to be executed at the same time.


CPU Frequency:

The Processor's Frequency refers to its clock rate in cycles per second.

Megahertz (MHz) or Gigahertz (GHz) are the units of measurement (GHz).


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GPU (Graphical Processing Unit):

The Graphical Processing Unit (GPU) is a computer processor that handles computation for 2D and 3D graphics applications.

Games, UI, video playback, and other applications use the GPU in mobile devices.

In addition, the GPU may execute computation in applications that were traditionally handled by the CPU.


RAM Capacity:

RAM (Random-Access Memory) is used by the Operating System and all installed applications.

When the device is switched off or restarted, the data in the RAM is lost.


Every mobile device has a fixed-capacity built-in storage called (Internal Memory).

Occasionally, the same model will be available in several variations with varying internal storage capacities.


Memory Cards:

A Memory card, often referred as a flash memory card, is a type of storage media that is commonly used in electronic devices to store images, movies, and other data.

Digital cameras, digital camcorders, handheld computers, MP3 players, PDAs, cell phones, game consoles, and printers are all examples of devices that require memory cards.



Image And Video Resolution:

Resolution is a measure of the number of pixels a video contains both horizontally and vertically.

See the types of Screen Resolutions below,…

HD: The display having a pixel measurement of 1280 x 720 pixels is referred to as high definition or HD.

The higher the pixel density, the better the image on a smaller HD display.

The picture quality will be determined by the screen size.

In comparison to a 10-inch screen, a 5-inch screen would have a worse picture quality.


FULL-HD: Full HD is a high-definition format that is now used in smartphones.

Full-HD has a resolution of 1920 x 1080 pixels. 

The pixel density, like HD, is determined by the size of your whole mobile screen.

A smartphone with a 5-inch display will have 440 PPI, while a smartphone with a 5.5-inch display will have 400 PPI.


QUAD-HD: Quad-HD, often known as QHD, is a screen resolution that is four times greater in definition than standard HD.

This means that a QHD display of the same size may fit the same pixels as four HD displays.

A QHD screen would have a pixel measurement of 2560 X 1440 pixels.

These screen resolutions are also designated by numbers: HD is referred to as 720p, Full-HD is referred to as 1080p, and QHD is known as 2000 pixels or 2K.


4K And Ultra-HD: The screen resolutions of 4K and Ultra-HD in mobile phones are sometimes confusing. However, they are not the same.

Ultra-HD displays have 3840 x 2160 pixels, whereas 4K displays have 4096 x 2160 pixels.


LCD: The term "Liquid Crystal Display" or "LCD" refers to a variety of crystals that are illuminated by a backlight and are widely used.

Because this screen is affordable, it is a popular choice among smartphone users.

Because there is light coming from behind, this type of screen also works well in sunlight.


AMOLED Display: Although AMOLED screens have a quicker refresh rate, they are difficult to view in direct sunlight.

TFT LCD technology is used in the Active Matrix Organic Light-Emitting Diode, or AMOLED.

OLED is an organic material that emits light when electricity is passed through it.

Unlike LCD panels, OLED displays do not turn on until they are powered up.


Aspect Ratio:

Aspect ratio is a property that describes the relationship between an image's width and height. The symbolic notation for the aspect ratio is X:Y.

The X and Y values do not represent the image's actual width and height, but rather the relationship between them.

An older Standard-definition (SD) screen, for example, had a 4:3 aspect ratio, which is a square rectangle.

"4 to 3," or four units width by three units high, is the meaning of the 4:3 ratio.

The 16:9 aspect ratio of today's TVs, monitors, and mobile devices is a large rectangle that is still not as wide as most movie theater (cinema) screens.


Pixel Density:

Pixels Per Inch (PPI) refers to the density of pixels on a display, which is measured in pixels per inch (ppi).

Pixel density is determined by dividing a display's diagonal pixel resolution by its diagonal size.


Colour Depth:

The number of bits that each pixel in an image is represented by.

Because it is sometimes used to indicate bits per pixel and other times to represent the total number of bits used multiplied by the number of total channels, the phrase can be confusing.

A conventional color image with 8 bits per channel, for example, is sometimes referred to as a 24-bit color image (8 bits x 3 channels).



Proximity Sensor:

A proximity sensor is a type of non-contact sensor that can detect the presence of a target within a specified range.


Light Sensor:

Light sensors (also known as photosensors) are a type of photodetector that detects light.

To measure illuminance, respond to changes in the amount of light received, or convert light to electricity, many types of light sensors can be utilized.


Accelerometer Sensor:

In mobile phones, accelerometers are used to determine the phone's orientation.

A gyro, on the other hand, measures angular rotational velocity, whereas an accelerometer measures linear acceleration of movement.

Both sensors measure rate of change; the rate is that they measure distinct things.


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The size of the lens diaphragm opening – which governs the amount of light reaching the image sensor – is indicated by the aperture (f-stop number).

The larger the diaphragm aperture, the lower the f-stop number. As a result, the more light that reaches the sensor, the better.

Typically, the f-stop number specified corresponds to the maximum diaphragm opening possible.

Video Frames Per Second:

Is the maximum number of frames per second (fps) that the back camera can record at maximum resolution while recording videos.

24fps, 25fps, 30fps, and 60fps are some of the most common frame rates for recording and viewing video.

Although higher frames per second are available (e.g., 120fps, 240fps, and so on).


Wireless Connection (Wi-Fi):

Wi-Fi is a wireless technology that allows computers, tablets, cellphones, and other devices to connect to the internet wirelessly.

Wi-Fi is a trademarked name that refers to IEEE 802.11x standards. It is a frequent misperception that the acronym Wi-Fi stands for "wireless fidelity."

In 1971, a wireless UHF packet network called ALOHAnet was built to connect the islands of Hawaii, giving birth to Wi-Fi.

WaveLAN, a protocol created by NCR and AT&T in 1991, was the forerunner to the IEEE 802.11 standards.


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