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Oppo A57 4G Price In Bangladesh
- Camera: 13 MP - 2 MP + 8 MP
- RAM: 3/4 GB
- Battery: 5000mAh Li-Po
- SIM: Dual SIM (Nano-SIM, dual stand-by)
- OS: Android 12, ColorOS 12.1
- Display: 6.56" 720x1612 pixels
Oppo A57 4G full specs, rating & review
General
| Name | Oppo A57 4G |
| Model | A57 |
| Device Type | Smart Phone |
| Price | 18,990 BDT |
| Announced | 2022, May 27 |
| Released | 2022, June 06 |
| Status | Available |
Network
| Technology | GSM / HSPA / LTE |
| 2G Network |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network |
HSDPA 850 / 900 / 2100 |
| 4G Network |
1, 3, 5, 7, 8, 20, 28, 38, 40, 41 |
| Speed | HSPA 42.2/5.76 Mbps, LTE |
| SIM SIM (Subscriber Identity Module) is a small card that contains mobile network subscriber's account information. This allows the phone using the card to attach to a mobile network. The SIM card is most commonly associated with GSM and UMTS mobile networks. Moving a SIM card from one phone to another allows a subscriber to switch mobile phones without having to contact their mobile network carrier. SIM cards can also be used by a phone to store limited amounts of data, such as phone numbers and text messages. | Dual SIM (Nano-SIM, dual stand-by) |
| GPRS GPRS (General Packet Radio Service) is a packet oriented mobile data service on the 2G and 3G cellular communication system's global system for mobile communications (GSM), Generally, GPRS is used for the purpose of wireless data transfer, such as sharing pictures and videos or browsing the Internet via a mobile phone connection. | |
| EDGE EDGE (Enhanced Data GSM Environment) is a wireless network technology generally considered the next step in the 2G network offers data transfer rates up to four times faster than ordinary GSM networks, Generally, EDGE is used for the purpose of wireless data transfer, such as sharing pictures and videos or browsing the Internet via a mobile phone connection. |
Body & Design
| Type Design Type called form factor refers to a mobile phone's size, shape, and style as well as the layout and position of major components of phone. There are three major form factors seen in mobile phones => bar phones, folding phones and sliding phones. | Bar |
| Colors |
Glowing Black, Glowing Green |
| Dimensions | 163.7 x 75 x 8 mm (6.44 x 2.95 x 0.31 in) |
| Weight | 187 g (6.60 oz) |
| Build Describes the construction materials, methods and finishes used by the manufacturer when building a phone. | Glass front, plastic frame, plastic back |
| Others | IPX4 water resistant, IP5X dust resistant |
Display
| Display Type Display Technology => A number of display technologies and types used in mobile phones => TFT (Thin Film Transistor), IPS (In-Place Switching), OLED (Organic Light Emitting Diode), AMOLED (Active-Matrix Organic Light-Emitting Diode), Super AMOLED (an even advanced version of AMOLED), Resistive Touchscreen (Resistive touchscreens contain two layer of conductive material with a very small gap between them which acts as a resistance), Capacitive Touchsceen (Capacitive touchscreen technology consists of a layer of glass coated with a transparent conductor) | IPS LCD capacitive touchscreen |
| Size | 6.56 inches, 103.4 cm2 (~84.2% screen-to-body ratio) |
| Resolution | 720 x 1612 pixels, 20:9 ratio (~269 ppi density) |
| Multitouch Multi-touch refers to the capability of a touchscreen (or a touchpad) to recognize two or more points of contact on the surface concurrently. | Yes |
| Display Colors Display Colors is refers to the number of different shades of colors that the screen is capable of displaying => 64K colors, 256K colors and 16 million colors, Obviously 16M is highest available range of colors and better than others. | 16M colors |
Hardware
| Operating System (OS) OS => Every computer system run on a base software called Operating System (OS). Operating System controls all basic operations of the computer (such as smartphone, PDAs, tablet computers and other handheld devices). The Operating System allows the user to install and run third party applications (apps), apps are used to add new functionality to the device. | Android 12, ColorOS 12.1 |
| Processor (CPU) | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) |
| Chipset Chipset is a group of integrated circuits designed to perform one or a more dedicated functions, often with real time computing constraints, Popular smartphones are equipped with more advanced embedded chipsets that can do many different tasks depending on their programming. | MediaTek MT6765G Helio G35 (12 nm) |
| RAM | 3/4 GB |
| Internal (ROM) | 64/128 GB eMMC 5.1 |
| Card Slot Memory Card Slot is a special slot for inserting a memory card. Memory cards allow you to expand the phone's built-in memory, A memory card (sometimes called a flash memory card or a storage card) is a small storage medium used to store data such as text, pictures, audio, and video, for use on small, portable or remote computing devices such as mobile phones, mp3 players, digital cameras. | microSDXC |
| GPU GPU (Graphics Processing Unit) is a single-chip processor designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display, This includes things such as lighting effects, object transformations, and 3D motion. | PowerVR GE8320 |
Camera
| Back Camera Camera is able to capture photographs and usually videos, The most important characteristics of a camera are the resolution (measured in megapixels), lens focus type (fixed or automatic), higher megapixel cameras are known to capture higher quality photos, but not always a good measurement of the photos quality. |
13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, AF 2 MP, f/2.4, (depth) |
| Front Camera |
8 MP, f/2.0, (wide) |
| Camera Features |
LED flash, HDR, panorama HDR |
| Video |
1080p@30fps 1080p@30fps |
| Flash Flash Light => There is commonly two types of flash lights are used in camera mobile phones, LED Flash (LED flash offers lower power consumption with drive circuitry that takes up very little room, LEDs can be strobed faster than any other light source), Xenon Flash (xenon flash produces an extremely intense full-spectrum white light for a very short duration) | Yes |
Multimedia
| Alert Types | Vibration, MP3, WAV ringtones |
| Loudspeaker | Yes |
| Audio Recording | |
| Video Recording | 1080p@30fps 1080p@30fps |
Connectivity
| 3.5mm Jack | Yes |
| Bluetooth Bluetooth is a wireless communications technology for exchanging data between mobile phones, headsets, computers and other network devices over short distances without wires, Bluetooth technology was primarily designed to support simple wireless networking of personal consumer devices. | Yes |
| GPS GPS The Global Positioning System is a satellite-based radio navigation system, GPS permits users to determine their position, velocity and the time 24 hours a day, in all weather, anywhere in the world, In order to locate your position, your device or GPS receiver must have a clear view of the sky. | Yes, with A-GPS |
| NFC NFC (Near field communication) is a set of standards for smartphones and similar devices to establish peer-to-peer radio communications with each other by touching them together or bringing them into proximity, usually no more than a few inches. | |
| USB | USB Type-C 2.0, USB On-The-Go |
| Infrared Port Infrared connectivity is an old wireless technology used to connect two electronic devices. It uses a beam of infrared light to transmit information and so requires direct line of sight and operates only at close range. |
Features
| Sensors Sensors are electronic components that detects and responds to some type of input from the physical environment. The specific input could be light, heat, motion, moisture, pressure and location, The output is generally a signal that is converted to use in computing systems, a location sensor, such as a GPS receiver is able to detect current location of your electronic device. |
Fingerprint (side-mounted), accelerometer, proximity |
| Messaging | SMS(threaded view), MMS, Email, IM |
| Web Browser Web Browser => a web browser is a software application used to locate, retrieve and display content on the World Wide Web, including Web pages, images, video and other files, The primary function of a web browser is to render HTML, the code used to design or markup webpages. | HTML5 |
Battery
| Battery Type Battery Type => Cell phones run on various kinds of batteries depending on the manufacturer, phone size or shape and features. There are basically four types of cell phone batteries => Lithium Polymer, Lithium Ion, Nickel Metal Hydride and Nickel Cadmium. | Non Removable Li-Po |
| Capacity Battery Capacity is a measure (typically in Amp-hr) of the charge stored by the battery, and is determined by the mass of active material contained in the battery. The battery capacity represents the maximum amount of energy that can be extracted from the battery under certain conditions. | 5000mAh |
| Charging | Fast charging 33W, 50% in 30 min (advertised) |
In the Box
| Phone | Yes |
| User Guide | Yes |
| Warranty Card | Info Not Available |
| Headphone | No |
Other
| Made By | China |
Oppo A57 4G Camera: 13 MP – 2 MP + 8 MP, RAM: 3/4 GB, ROM: 64/128 GB, Battery: 5000mAh Li-Po, Display: 6.56″ 720×1612 pixels, Price: 18,990 BDT
