Introductions

Oppo A77s is a beautiful device that was officially announced in October 2022. It adopts a modern design and includes multiple great features that can be used by all users.

The Oppo A77s is also known as the device model series CPH2473, which must be unique so that users can easily find support online. Sometimes using only the main device name can make it difficult for several users to find the right support. The weight of Oppo A77s is 187 g grams and the body dimensions are 163.8 x 75 x 8 mm. These dimensions are ideal for modern devices. Lastly, the device is available in Black, Orange color options. However, the availability of color options may vary by country and market. Some color options may only be available for a limited time or during specific events.

Build Quality

The Oppo A77s features a body made of a combination of Plastic, IP54 Rated, which is a good material for modern use. It looks solid, elegant, and feels comfortable in the hand, while also providing better protection against damage compared to plastic without any additional protective materials.

Screen & User Navigation

The display screen configuration is a crucial factor for the user experience, and in the case of the Oppo A77s, the screen setup is ideal, featuring a resolution of 720 x 1612 pixels combined with a screen size of 6.56". Additionally, the display screen also has several other configurations, including 20:9 ratio, (~269 ppi density), 90Hz.

Another important factor to consider for the display screen is the display panel hardware. Good display panel hardware will greatly enhance the user's experience. The Oppo A77s uses the very common display panel hardware, IPS LCD, which is suitable for entry-level to mid-level devices. However, it is not recommended for flagship devices with higher prices unless there is a special screen technology innovation implemented.

The physical buttons on the Oppo A77s are positioned and designed for easy use, with clear functions such as powering up the device or adjusting the volume level.

CPU & GPU Performance

The processor and graphics hardware are vital components for any device, as they handle the majority of the software tasks and rendering graphics. In the case of the Oppo A77s, it utilizes the Qualcomm Snapdragon 680 for the CPU and Adreno 610 for the GPU. But, the question is: are they good enough?

The answer is yes. This CPU and GPU combination is capable of handling multiple tasks on the device, including running games, opening apps, and rendering 3D images at their maximal limit. Users can expect good performance from these hardware components.

Memory

In addition to CPU and GPU hardware, memory hardware is also a very important sector for ensuring the best user experience when using a device for multiple purposes. The memory sector includes the RAM capacity, internal memory storage, and support for external expansion memory. So, is Oppo A77s good enough in terms of memory performance?

When we look at the memory combination specification, we can see that Oppo A77s has 8GB of RAM and 128GB of internal memory storage capacity. The user can get more storage on this device because Oppo A77s does support external memory expansion using MicroSDXC.

Therefore, does Oppo A77s have good memory performance? Based on the specifications, it is good enough for any modern use, but it also depends on the user's perspective and needs.

Camera

Just like other modern smart devices available today, Oppo A77s has a camera feature that enhances the user's experience. The main/rear camera feature of Oppo A77s has a Dual Setup camera configuration feature.

The main/rear camera specification of Oppo A77s is (Main) 50 MP, f/1.8, 27mm, PDAF for the main camera configuration setup. There is also a secondary camera feature available with a specification of (Depth) 2 MP, f/2.4.

Oppo A77s has a Single Setup front/selfie camera feature. The main selfie camera specification on Oppo A77s is 8 MP, f/2.0, 26mm.

Mobile Network

Oppo A77s fully supports mobile network broadband. It is equipped with a Dual SIM, Nano SIM Card feature. The device supports mobile network technology using 2G / 3G / 4G. Users can easily switch between mobile network modes when needed.

Connectivity features

When it comes to modern devices, having multiple connectivity options is essential, and the Oppo A77s has all the necessary features.

Wireless connectivity options on the Oppo A77s include Wi-Fi technology with a complete specification of Wi-Fi 802.11 a/b/g/n/ac, Dual Band and Bluetooth version 5.0, A2DP, LE, aptX HD. In addition, the Oppo A77s also fully supports NFC technology.

Wired connectivity options include the USB Type-C Port technology, which can be very useful for connecting the Oppo A77s to other devices such as desktop computers.

OS & Security

As a device designed for modern users, Oppo A77s should be operated by a smart operating system. The good news is that Oppo A77s already uses a smart OS known as Android 12. In addition, the vendor of this device has made some customizations to the basic Android 12 firmware, resulting in the ColorOS 12.1 UI ROM. This ROM adds more features and improves the user experience beyond what can be found on the basic OS.

What about security technology on Oppo A77s? The Oppo A77s has powerful security protection because it uses the default security system from the software OS combined with the Fingerprint (at the side) security hardware technology, which provides more security against unauthorized access.

Speaker & Sound

The speaker hardware on Oppo A77s is similar to most other devices, with a good loudspeaker quality for calling and playing music. However, Oppo A77s fully supports the 3.5mm jack, Stereo Speaker technology, which is a great feature to have.

Battery

Oppo A77s comes with a 5000 mAh battery capacity and Li-Po battery model. This battery specification can be used for all-day use in normal terms. But don't worry if the device is on low battery state because Oppo A77s already supports Fast charging 33W technology. This means the charging time will be shorter, depending on the wattage of the fast charging feature. Normally, the battery can be fully charged in under 2 hours, 1 hour, or 40 minutes.

This device also comes with USB Type-C port technology. It's great because the USB Type-C is a universal charger port that can easily suit most charger cables on modern phones today.

Common frequently asked questions