Oppo F21 Pro 4G: Pros and Cons

Oppo announced the launch of the F21 Pro 4G smartphone in 2022. The manufacturer is offering this smartphone with 6.43 inch AMOLED display, Qualcomm Snapdragon 680 SoC, and 8 GB of RAM. It comes with Android OS v12.0 out of the box, and a Li-Po 4500 mAh, non-removable battery. The 6.43 inch phone comes with a high resolution AMOLED display (1080 x 2400 px). The F21 Pro 4G has a multi-camera setup. The lens offers versatility. It lets you capture a wide range of subjects and scenes from different perspectives. Is this phone worth its price? Hopefully, it will become clear by the end of my review.

Table of Contents

• Oppo F21 Pro 4G 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 F21 Pro 4G 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 F21 Pro 4G specifications

Weight, dimensions, colors

The weight of Oppo F21 Pro 4G is about 6.53 oz with battery. This is average for smartphones of the same size. Smartphones use a Nano SIM as a small chipcard for a subscriber identity module (SIM).

System, chipset, performance

The Oppo F21 Pro 4G comes with Android OS v12.0 out of the box. Android is a mobile operating system. Google built it using a modified version of the Linux kernel. They also used other open-source software. It's a powerful Qualcomm Snapdragon 680 octa-core processor. It can handle complex tasks and run many applications. Qualcomm's Snapdragon processors work with Adreno GPUs. The processors are designed for the GPUs. We use AnTuTu app to measure general processing performance. AnTuTu Benchmark is the most popular benchmark app for Android phones.

Display type, size, resolution

The 6.43 inch phone comes with AMOLED display. Smartphones use the AMOLED, which is a type of OLED display. The 6.43 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 size of the screen is measured diagonally, from corner to corner.

Memory, storage

The 8 GB of RAM on the Oppo F21 Pro 4G should be more than enough to handle their daily needs without any major issues. More RAM lets you keep more apps and processes open in the background. This keeps the device from slowing down. The F21 Pro 4G has 256 GB of internal storage, which is more than enough for their needs. The internal storage of the Oppo F21 Pro 4G (8 GB) cannot be expanded.

Cameras, flash

Using multiple cameras has advantages. They provide more versatility and creative possibilities. They let you capture a wider range of subjects. The main camera of F21 Pro 4G smartphone does not have OIS. The optical image stabilization (OIS) is an important feature in smartphones.

Connectivity, network, wireless

The 4G provides faster data transfer speeds compared to previous generations. This phone like all modern smartphones, is capable of connecting to Wi-Fi networks. The F21 Pro 4G smartphone is capable of connecting to Bluetooth devices. This phone has a built-in GPS. The phone isn't NFC (Near Field Communication) capable. NFC is not essential for basic phone functionality, but it can be useful. The F21 Pro 4G smartphone does not have 3.5 mm headphone jack.

Battery type, capacity, charger

The Li-Po 4500 mAh, non-removable battery gives the smartphone a good battery backup. The lithium polymer (Li-Po) battery is a light-weight, rechargeable battery. The battery of F21 Pro 4G isn't removable without voiding the warranty.

Features, sensors, specials

Today, smartphones come with many sensors. They help make the user experience better. The accelerometer is a sensor. It measures the tilting motion and orientation of the phone. The F21 Pro 4G phone has a fingerprint scanner. The light sensor detects the level of light in the environment. Dual SIM is great for businesses. They want to give staff a device with separate numbers and bills for personal and business use.

The fast charging technology comes in handy when you need quick juice on your device. Corning Gorilla Glass is tougher. It resists scratches, impacts, and drops.

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.