Thumbnail of product A57 from brand Oppo
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Smartphone Oppo A57

Oppo
Phones
Smartphone

The Oppo A57 is a compact and powerful smartphone, ideal for everyday use. With a 5.2-inch display and a resolution of 1280 x 720 pixels, it offers a pleasant visual experience for all your multimedia content. Its IPS screen ensures vibrant colors and excellent display quality.

Equipped with a Qualcomm Snapdragon processor with 8 cores running at 1.4 GHz, the Oppo A57 guarantees smooth and responsive performance, even when running multiple applications simultaneously. With 3 GB of RAM and 32 GB of internal storage, expandable up to 256 GB via a MicroSD card, this smartphone meets users' storage needs.

For photography enthusiasts, the Oppo A57 features a 13 MP rear camera with autofocus and flash, allowing you to capture sharp images even in low-light conditions. Its 16 MP front camera is perfect for high-quality selfies.

With a 2900 mAh battery, the Oppo A57 ensures prolonged use, ideal for staying connected throughout the day. It also supports 4G connectivity, Wi-Fi, and Bluetooth 4.1, making it a versatile and modern device.

Finally, its sleek black design and compact dimensions (147 g, 72.9 mm wide, 7.65 mm thick) make it an easy-to-carry smartphone, suitable for all lifestyles.

Manual of product A57

First page image of the manual for A57

User Manual
137 pages
View manual
7 10

Editorial note

The Oppo A57 positions itself as a smartphone offering a satisfying user experience thanks to its 5.2-inch screen, which delivers pleasant display quality. However, its resolution of 1280 x 720 pixels may disappoint users looking for high-definition content. In terms of performance, the Qualcomm Snapdragon 8-core processor ensures smooth usage for daily tasks but shows its limits when faced with resource-intensive games and applications. The internal storage capacity of 32 GB, although expandable via a MicroSD card, may prove insufficient for users who frequently download applications or capture numerous photos and videos. The 2900 mAh battery is another point to consider, as it may require frequent recharges during intensive use. Additionally, the Android 6.0 operating system, while functional, is relatively old and may not benefit from recent updates. In terms of design, the Oppo A57 stands out with its modern and elegant look, visually appealing. The repairability index of 7.6 is a major asset, promoting sustainable and responsible use. Finally, the user manual is comprehensive and well-structured, providing valuable assistance for getting to know the device. Overall, the Oppo A57 is an interesting choice for those looking for a smartphone with a sleek design and intuitive use, but it may not satisfy users demanding in terms of performance and storage.

Score details

User experience

The user experience is generally satisfactory, with a 5.2-inch screen providing a pleasant display quality, although the resolution of 1280 x 720 pixels may not meet the expectations of demanding users.

Performance

The Qualcomm Snapdragon 8-core processor allows for smooth use for everyday tasks, but may be limited for gaming or resource-intensive applications.

Battery life

The 2900 mAh battery capacity may be insufficient for heavy use, leading to frequent recharges throughout the day.

storage

The 32 GB internal storage capacity may be limited for users who download many apps or take numerous photos and videos, although it is expandable via MicroSD.

Design

The product design is modern and sleek, with a quality finish that is visually appealing.

repairability

The repairability score of 7.6 highlights the ease of repairing the product, promoting sustainable and responsible use.

Documentation

The 137-page user manual is comprehensive, providing detailed information on the features and use of the device.

Advantages

5.2-inch screen, pleasant 720p resolution

Snapdragon 8-core processor, smooth performance

13 MP rear camera, 16 MP front camera

32 GB storage, expandable to 256 GB

4G LTE connectivity and fast Wi-Fi

High repairability index, durable and eco-friendly

Disadvantages

Screen resolution limited to 720p

Internal storage of only 32 GB

Processor not powerful enough for gaming

Insufficient battery life

Outdated Android 6.0 system

Repairability index

7.6 / 10

The A57 from Oppo has an excellent repairability index. It is easy to repair, and spare parts are readily available. Most repairs can be done yourself without professional help.

Technical Specifications A57

General Information

Screen

  • Screen size
    5.2 "
  • Screen resolution
  • Screen shape
    1280 x 720 pixels
  • Number of colors displayed
    Flat
  • Second LCD screen
    16 million colors
  • Touch technology
    No
  • Touch screen type
    Multiple pressures
  • Type of panel
    Capacity
  • IPS

Other features

  • Touch screen
    Yes

Detectors

  • Gyroscope
    Yes
  • Gyroscope
    Yes
  • Gyroscope
    Yes

Processor

  • Processor frequency
    1.4 GHz
  • Processor family
    Qualcomm Snapdragon
  • Processor model
    MSM8940
  • The architecture of the processor
    ARM Cortex-A53
  • Number of processor cores
    8

Storage support

  • RAM capacity
    3 GB
  • Internal storage capacity
    32 GB
  • Compatible memory cards
    MicroSD (TransFlash)
  • Maximum memory card size
    256 GB
  • USB mass storage
    Yes

Camera

  • Front camera type
    Single camera
  • Resolution of the rear camera (digital)
    13 MP
  • Geolocation
    Yes
  • Geolocation
    Yes
  • Front camera resolution (digital)
    16 MP
  • Front camera opening number
    2.2
  • Front camera opening number
    2.2
  • Geolocation
    Yes
  • Video recording modes
    1080p
  • Geolocation
    Yes
  • Front camera type
    Single camera

Network

  • SIM card capacity
    Dual SIM
  • Connection sharing (modem mode)
    Yes
  • SIM card type
    NanoSIM
  • 2G Standards
    GSM
  • 3G Standards
    WCDMA
  • 4G standard
    LTE
  • Wifi standards
    802.11b, 802.11g, Wi-Fi 4 (802.11n)
  • Connection sharing (modem mode)
    Yes
  • Bluetooth model
    4.1
  • 2G band (1st SIM card)
    900,1800 MHz
  • Connection sharing (modem mode)
    Yes
  • Mobile network generation
    4G

Registration

  • Registration type
    -

Connectivity

  • USB port
    Yes
  • USB connector
    Micro-USB
  • USB Version
    2.0
  • Quantity of HDMI ports
    0
  • Headset connection
    3.5 mm

Messaging

  • E-mail
    Yes
  • E-mail
    Yes
  • E-mail
    Yes
  • E-mail
    Yes
  • E-mail
    Yes

Design

  • Format
    Bar
  • Product color
    Black

Representation / realization

  • Video call
    -
  • Alert with vibrator
    Yes
  • Personal Information Management (PIM)
    Alarm clock
  • Alert with vibrator
    Calculator
  • Customization
    Calendar
  • Alert with vibrator
    Notes
  • Alert with vibrator
    Yes
  • Themes
    Icons
  • Alert with vibrator
    Menu
  • Alert with vibrator
    Shortcuts
  • Yes
  • Yes
  • Wallpaper
  • Yes
  • Yes

Navigation

  • Assisted GPS (A-GPS)
    -
  • Location of position
    Yes

Call management

  • Call timer
    Yes
  • Call timer
    Yes
  • Call timer
    Yes
  • Call timer
    Yes
  • Call timer
    Yes
  • Call timer
    Yes
  • Call timer
    Yes

Software

  • Installed operating system
    Android 6.0
  • Platform
    Android
  • Application distribution platform
    Google Play

Battery

  • Battery technology
    -
  • Battery capacity
    2900 mAh
  • Waiting time (3G)
    - h
  • Waiting time (3G)
    - h

Weight and dimensions

  • Weight
    147 g
  • Width
    72.9 mm
  • Depth
    7.65 mm
  • Height
    149.1 mm

Packaging contents

  • Cables included
    USB
  • Power adapter included
    Yes
  • Power adapter included
    Yes
  • Power adapter included
    Yes

Technical details

  • The repairability index
    7.6

Frequently Asked Questions

How do I reset my Oppo A57?
To reset your Oppo A57, press and hold the volume up, power, and home buttons simultaneously when starting the device.
My SIM card is too small for my {brand} phone, what should I do?
Use a SIM card adapter to insert the smaller SIM card. This adapter then fits into the phone.
What is the IMEI number?
The IMEI, or 'International Mobile Equipment Identity', is a unique fifteen-digit number that identifies your Oppo phone among other devices.
What are the dimensions of my smartphone's screen?
The size of your smartphone's screen is usually measured in inches, where 1 inch equals 2.54 centimeters. This size represents the diagonal of the screen, measured from the bottom left corner to the top right corner.
Can my smartphone's battery explode?
Ensure that your smartphone's battery does not overheat, as there is a very low risk of explosion.
What operating system does the Oppo A57 use?
The Oppo A57 runs on the Android operating system.
What is the weight of the Oppo A57?
The Oppo A57 weighs 147 grams.
What is the size of the Oppo A57's screen?
The screen of the Oppo A57 measures 5.2 inches.
What is the height of the Oppo A57?
The Oppo A57 has a height of 149.1 mm.
What is the resolution of the Oppo A57's screen?
The resolution of the Oppo A57's screen is 1280 x 720 pixels.
What is the width of the Oppo A57?
The Oppo A57 has a width of 72.9 mm.
What is the depth of the Oppo A57?
The Oppo A57 has a depth of 7.65 mm.
What type of USB connection does the Oppo A57 have?
The Oppo A57 is equipped with a Micro-USB connection.
What is the storage capacity of the Oppo A57?
The Oppo A57 offers a storage capacity of 32 GB.
Why is my Oppo A57's battery draining quickly?
This may be due to apps running in the background or excessive power consumption. Consider closing unnecessary apps and disabling power-hungry features like Wi-Fi, Bluetooth, or location services when not in use.
How do I take a screenshot on my Oppo A57?
To take a screenshot, press the power button and the volume down button simultaneously for a few moments. The screenshot will be saved in the Gallery app or in the notification panel.
Why is my Oppo A57 overheating?
Overheating can occur during intensive tasks or when exposed to high temperatures. Close all unused apps or games and avoid using the phone in the sun or in hot environments for too long.
How do I transfer files from my Oppo A57 to my computer?
Connect your phone to your computer via a USB cable. Once connected, select the 'File Transfer' option on your phone, which will allow you to access your phone's storage on your computer to transfer files.
How do I set up fingerprint unlock on my Oppo A57?
Go to the Settings app, then to 'Fingerprint and Password', and choose 'Add a Fingerprint'. Follow the on-screen instructions to register your fingerprint. After registration, you can unlock your phone by simply placing your finger on the home button.
Does the Oppo A57 have a 5.2-inch screen?
Yes, the Oppo A57 is equipped with a 5.2-inch screen, a standard size that offers a good balance between display space and comfortable one-handed use.
Does the Oppo A57 have an IPS screen?
Yes, the Oppo A57 features an IPS screen, which ensures good color reproduction, wide viewing angles, and better visibility in daylight compared to other display technologies.
Can the memory of the Oppo A57 be expanded with microSD cards?
Yes, the Oppo A57 supports microSD memory cards, allowing for easy expansion of storage capacity for photos, videos, and other files.
What is the processor frequency of the Oppo A57?
The processor of the Oppo A57 operates at a frequency of 1.4 GHz. While this is not the highest speed, it is sufficient for most daily tasks and ensures smooth performance for general use.
How much RAM does the Oppo A57 have?
The Oppo A57 is equipped with 3 GB of RAM. While this is not the largest RAM capacity available, it allows for smooth multitasking and efficient app switching without noticeable slowdowns.
Is the manual for the Oppo A57 available in French?
Yes, the manual for the Oppo A57 is available in French.

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Presentation of product A57 specifications from brand Oppo

General Information

The Oppo A57 is a smartphone from the brand Oppo, known for its quality and technological innovation. This model, referenced as A57 | A57_BK, is designed to offer optimal performance and an enhanced user experience, making it an interesting choice in its category.

Screen

Equipped with a 5.2-inch screen, the Oppo A57 offers a resolution of 1280 x 720 pixels, ensuring a quality visual experience for viewing various content. Its flat design and ability to display 16 million colors provide a rich and vibrant representation. This model does not have a secondary LCD screen, but it integrates a capacitive touchscreen with multi-touch detection technology, ensuring smooth and precise interaction. The IPS panel type used allows for vivid colors and excellent viewing angles.

Sensors

The Oppo A57 is equipped with several sensors, including an orientation sensor, an ambient light sensor, and a gyroscope. These devices allow for automatic display adjustments and maintain precise orientation, thereby enhancing the user experience.

Processor

This smartphone operates with a Qualcomm Snapdragon 8-core processor with a frequency of 1.4 GHz. This model, MSM8940, is based on the ARM Cortex-A53 architecture, offering optimized performance for smooth and efficient use, even when running multiple applications simultaneously.

Storage Support

The Oppo A57 is equipped with 3 GB of RAM, ensuring responsiveness when using applications. It offers 32 GB of internal storage, expandable up to 256 GB via a MicroSD card (TransFlash), allowing users to store a considerable amount of data, applications, and multimedia files. Additionally, it supports USB mass storage, facilitating data transfer.

Camera

The smartphone features a rear camera of 13 MP that allows for capturing quality images, even in low-light conditions thanks to its built-in flash. The front camera of 16 MP is ideal for selfies and video calls, providing great clarity. Both cameras have an aperture of f/2.2, promoting better light capture. The Oppo A57 also supports video recording in 1080p and integrates geolocation features for precise management of photos and videos.

Network

The Oppo A57 is compatible with 2G, 3G, and 4G LTE networks, ensuring fast and reliable connections. It supports a single NanoSIM card and features Wi-Fi, Bluetooth 4.1, as well as GSM, HSDPA, and WCDMA standards. Its Wi-Fi standard (802.11b/g/n) ensures a fast and efficient wireless connection.

Connectivity

The smartphone is equipped with a Micro-USB port for charging and data transfer, as well as a 3.5 mm headphone jack. The Oppo A57 does not have an HDMI port, which could be a consideration for users requiring this feature.

Design

The Oppo A57 adopts a bar design with an elegant black finish, offering a modern look and a comfortable grip. Its dimensions (72.9 mm wide, 7.65 mm thick, and 149.1 mm high) and weight of 147 g make it a lightweight and portable device.

Battery

The battery of the Oppo A57 has a capacity of 2900 mAh, allowing for adequate daily use. Although it offers decent performance, some intensive activities may require frequent recharging.

Technical Details

This smartphone has a repairability index of 7.6, which reflects the ease with which it can be repaired, thus promoting sustainable and responsible use.