Oppo A91: Pros and Cons

Oppo announced the launch of the A91 smartphone in 2019. The manufacturer is offering this smartphone with 6.4 inch AMOLED display, Mediatek Helio P70 SoC, and 6 GB of RAM. The smartphone runs on the Android OS v9.0 (Pie) operating system. This phone uses a high resolution 1080 x 2400 px, 6.4 inch AMOLED display. The multi-camera setup has specialized features. It has multiple cameras with different focal lengths, like wide-angle, standard, telephoto, and macro. Let's explore what sets this device apart.

Table of Contents

• Oppo A91 specifications
• Weight, dimensions, colors
• System, chipset, performance
• Display type, size, resolution
• Memory, storage
• Cameras, flash
• Connectivity, network, wireless
• Battery type, capacity, charger
• Features, sensors, specials
• Verdict, pros and cons

This article shares our personal experiences and thoughts about using the Oppo A91 smartphone. We hope to offer helpful insights to others interested in this device. The specifications below are from the official manufacturer data, but we also consider user reviews. If you've seen any mistakes or things missing in these specifications, please let us know.

Oppo A91 specifications

Weight, dimensions, colors

The weight of the Oppo A91 is still considered to be lightweight and portable. Smartphones use a Nano SIM as a subscriber identity module (SIM), which is a chip card.

System, chipset, performance

The Oppo A91 comes with Android OS v9.0 (Pie) out of the box. Android is an open-source operating system. This means the source code is free to the public. This CPU makes it ideal for running resource-intensive applications. Many people consider ARM Mali GPUs a good option for mobile devices.

Display type, size, resolution

AMOLED displays are famous for their vibrant colors. They also have high contrast and are energy efficient. The 6.4 inch display should be big enough for your needs. It will make viewing comfortable. This is true whether you're reading, browsing, or watching. The display size is the diagonal distance from one corner of the screen to the opposite corner.

Memory, storage

The Oppo A91 comes with 6 GB of RAM, which is considered to be sufficient for most users' needs. Having more RAM alone does not guarantee better performance. The A91 has 128 GB of internal storage, which is more than enough for their needs. You can expand the internal storage of the A91 (128 GB) by using a compatible microSD card.

Cameras, flash

Multiple cameras or depth sensors can help the smartphone. They can make its portrait mode effects more appealing. The A91 does not have optical image stabilization (OIS).

Connectivity, network, wireless

The Oppo A91 supports 4G/LTE networks. This Oppo phone can connect to Wi-Fi networks at home, at work, or in public places. You can use Bluetooth to connect your A91 smartphone to many Bluetooth devices. This phone has a built-in GPS receiver. The phone isn't NFC (Near Field Communication) capable. NFC is not essential for basic phone functionality, but it can be useful. The 3.5 mm headphone jack allows you to connect wired headphones or earphones to the device.

Battery type, capacity, charger

The Li-Po 4025 mAh, non-removable battery gives the smartphone a good battery backup. The lithium polymer (Li-Po) battery is a light-weight, rechargeable battery. The A91 does not have a removable battery, it integrates the battery into the phone's design.

Features, sensors, specials

Today, smartphones come with many sensors. They help make the user experience better. The accelerometer provides information about the smartphone's movement in three axes. These are X (horizontal), Y (vertical), and Z (depth). The fingerprint reader is a biometric security feature found in A91 smartphones. The light sensor is a type of sensor in a smartphone. It lets the phone measure light intensity around the device.

Dual SIM is great for businesses. They want to give staff a device with separate numbers and bills for personal and business use. With fast charging, you can get a significant amount of battery life in a few minutes of charging.

Verdict, pros and cons

Every phone has its strengths and weaknesses, and this Oppo phone is no exception. As with any device, there are aspects that shine and others that fall short. By examining both sides, we can paint a complete picture of what this phone has to offer. Let's explore its standout features and areas for improvement. Remember, this is just my opinion, and yours might be different.

Please let us know if you find incorrect information or something isn't working. Also, tell us if you have a suggestion for improvement.

I'm Lucas Bradley, the founder of the Phone42.com site. I love technology, especially smartphones, and I've been working with tech stuff for more than 20 years. This means I've seen a lot of changes and have learned a bunch about what makes a good phone. On Phone42.com, I look at all kinds of phones. They can be from big, well-known companies or new ones trying to make their mark. I want to help people understand what's new and cool in the world of smartphones, in a way that's easy to get.