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How CNET tests phones

What goes into a CNET smartphone review

Phones are much more than communication devices; they’re our gateway to the internet. They’ve become the center of our daily lives, housing our personal information, work essentials, personal memories and enabling us to reflect our personalities online. That’s why CNET conducts rigorous tests to help you find the right phone for your budget and needs.

When reviewing phones, we take a variety of factors into account such as camera quality, battery life, design, software and longevity. Every phone is different, but our testing allows us to answer the same question in each review: Is this phone worth buying? We evaluate phones based on the quality of their hardware and software, whether they introduce any meaningful new innovations and whether they’re the right price.

We replace our personal phone with the test unit during the review period so that we can get an accurate impression of what it’s like to rely on the device for daily tasks. In addition to this anecdotal usage, we also conduct specific side-by-side tests against other phones as part of the evaluation process.

We generally test phones against their immediate predecessor, competing phones from other companies or another phone within the same product line (for instance, iPhone 14 versus iPhone 14 Pro). We focus on whichever comparisons are most useful for helping our readers navigate the buying decision, and that may vary depending on the phone. Whenever possible, we work all three types of comparisons into a review.

Some of these methodologies are relatively new to CNET’s testing procedures, so you may not see them in all of our reviews from 2022. We’re in the process of updating our current reviews with these tests and plan to implement them fully in 2023.

Below is a general overview of what goes into a CNET smartphone review.

Testing smartphone cameras

The camera is the biggest area where companies like Apple, Samsung, Google and OnePlus typically make improvements to new models each year, and our reviews put phone maker’s claims to the test. We take photos in a variety of circumstances and lighting conditions, including bright outdoor areas, dim indoor settings and mixed lighting.

We capture a variety of subjects (objects, pets and people) to assess boldness, sharpness, skintones and color accuracy. We test all of the phone’s main lenses (wide, telephoto and ultrawide), front-facing cameras as well as different shooting styles, like portrait mode and night mode. Our reviews also cover useful editing features or shooting modes that are specific to the device, such as the Google Pixel 7’s Face Unblur or the iPhone’s Cinematic Mode.

Part of these tests include side-by-side photo comparisons between the phone we’re reviewing and previous phones we’ve tested. We evaluate a phone’s cameras on their consistency as well as how they stack up against the competition. All photos are straight out of camera and accessed without any edits, unless specifically noted. Beyond the initial impressions we get from viewing these photos on a phone’s screen, we also upload them to a computer and view them alongside one another on a monitor. This reduces any bias that may come from the different screens on each phone. It also makes it easier to view discrepancies in clarity and color between each photo.

We also capture video with the review phone and judge it on its image and audio quality. Just because a phone can capture 6K or 8K video doesn’t mean it’s good. Unlike the computational photography algorithms that Google, Apple, Samsung and others apply to photos, videos remain relatively less processed, making it easier to critique a camera’s strengths and flaws.

Testing smartphone performance

The performance section of our reviews examines how responsive phones are in everyday use, how well they juggle multiple tasks and how they fare during benchmark tests.

We do this by observing how quickly phones can open apps and launch the camera. We also note whether the phone has an adaptive refresh rate setting and how this improves performance if at all (for example, whether this makes animations and scrolling feel smoother). We also look for signs of lag when running multiple apps (such as using a social media app or playing a game while on a video call), or playing an online multiplayer game with the highest graphics settings.

In addition to these everyday tasks, we also run a series of benchmarks designed to test a phone’s computing power and graphics performance. These tests include Geekbench 5 for general CPU performance and 3DMark Wild Life Extreme for graphics. We also run the same tests on other phones that we’re comparing our test device to.

Testing smartphone battery life

We test battery life in three ways: through an anecdotal stress test, a video streaming test and by observing battery life after everyday use. As noted earlier, these tests are relatively new and we’re still in the process of adding them to our 2022 reviews.

The anecdotal stress test measures how much the battery drains after 45 minutes of general usage. We do a little bit of everything during this test to mimic authentic everyday experiences. That includes streaming video, using social media apps, playing a game, making a video call and other miscellaneous tasks like checking email. After this 45 minutes of mixed usage, we mark down the percentage of battery drain. To keep the test consistent between phones, we perform each of those tasks for roughly 10 minutes. We also keep the screen brightness set to 50%, turn off the always-on display and keep the high refresh rate setting on (if there is one).

The streaming test monitors how much the battery drains over a three-hour period while viewing a video on YouTube. We use the same video each time for consistency and set the screen brightness to 100%. We also disable settings that automatically dim or brighten the screen, connect to Wi-Fi and turn on the adaptive or high refresh rate setting if applicable. We take battery percentages at the one-hour, two-hour and three-hour marks.

Since we use test phones as our regular devices, we also discuss how long the battery has lasted in everyday use based on our experience. Often, our practical experience with a phone’s battery life can give us the most accurate prediction of what others might expect if they bought the same phone.

Testing smartphone design, software and display

Our smartphone reviews also encompass other areas like design, software and display quality. Design can be subjective, but we generally look for factors such as durability (water and dust resistance ratings), how easy the phone is to operate with one hand, the build quality and whether the design is unique or interesting in any way. For display quality, we’ll mention factors like brightness, how easy it is to see in sunlight and sharpness and color.

Software is another key part of CNET’s smartphone reviews. We mention any new or noteworthy features and how long the phone will support new versions of Android (or iOS respectively) and security updates.

Our written review tells you everything we feel and experienced, but we also give each phone overall score and star rating to provide a different context. A $450 phone might lack all the features that a $1,000 phone has, but its value might mean it gets a higher score. We also update these ratings based on a variety of factors, including software changes and quality control issues.

Reviews will always vary depending on the device, but these are the core tenets that make up a CNET smartphone evaluation. Determining a phone’s overall value is our guiding principle in every smartphone review. Our reviews shed light on whether a new phone lives up to its expectations, who the phone is for and whether it delivers on its promises for the price. We are always evaluating our own testing methodologies and looking for ways to improve, so expect to see more updates in the future.

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Smartphone vs. Dumb Phone: Why People Are Going Basic

Here’s how to ditch your smartphone for a dumb phone. It’s digital detox done right.

Over the past couple of decades, smartphones have become an integral part of our lives. According to the Pew Research Center, about 91% of Americans own a smartphone. Statista reports that the number of global smartphone owners is estimated to reach 6.1 billion in 2029. For many, a smartphone is an always-on internet device that keeps us connected to the world.

But there are also significant downsides to having one. If you’re concerned about how much time you spend on your phone, you aren’t alone: Some people feel addicted to their smartphones, checking their email and social media feeds hundreds of times a day. Perhaps you find yourself doomscrolling through the news or wasting time on mindless apps and games rather than being productive at work or spending quality time with your family. Sure, you could simply limit your screen time, but that takes willpower that you might not have.

This rise in this obsessive behavior toward smartphones explains the resurgence of so-called dumb phones in recent years. Sometimes referred to as feature phones, dumb phones are essentially stripped-down cellular devices that lack the bells and whistles of modern smartphones. Some only let you call and text, while others have a few more features such as a camera or a music player. Dumb phones typically offer only the most basic of features, minimal internet and that’s about it.

If that intrigues you, read on. In this guide, we’ll highlight the different kinds of dumb phones on the market, what you should look for when shopping for one, and whether a dumb phone is even right for you.

The differences between a dumb phone and a smartphone

A smartphone is essentially a tiny computer in your pocket. A dumb phone lacks the apps and features that smartphones have. More advanced dumb phones, or «feature phones,» offer a camera and apps like a calendar or a music player. Some even have minimal internet connectivity.

Many dumb phones are reminiscent of handsets with physical buttons from decades ago. Others have a T9 keypad where you press the numbers with the letters on the keypad and the phone «predicts» the word you want.There are even feature phones with touchscreens and more modern interfaces.

What should you look for when getting a dumb phone?

The dumb phone that’s best for you will depend on the reason you’re getting it. Do you want to go without internet access entirely and do it cold turkey? Then, perhaps a basic phone is what you want. Basic phones are also great if you just want a secondary emergency backup handset. Do you want at least some functionality, like Wi-Fi hotspot capabilities or navigation directions? Then look into «smarter» dumb phones that have those features. 

Alternatively, if you think you still need certain smartphone apps like WhatsApp or Uber, you could look into «dumbed down» Android phones with smaller screens and keypads (sometimes called Android dumb phones). They don’t qualify as dumb phones technically, but they’re often seen as an in-between solution for those who can’t quite commit to a lifestyle change. 

What are the different kinds of dumb phones on the market?

As more people seek smartphone alternatives, a large number of modern dumb phones have emerged on the market. If you’re on the hunt for one, we recommend using Jose Briones’ excellent Dumbphone Finder, which lets you filter and browse a dizzying array of choices based on your preferences and network provider. We also suggest perusing the r/dumbphones subreddit, where you’ll find a community of dumb phone enthusiasts who can assist you in your dumb phone journey.

Here are a few different kinds of dumb phones that caught our attention.

Smarter dumb phones

If you have a tough time letting go of your smartphone, there are a few smarter dumb phones on the market that might be a good gateway into the smartphone-free world. They often have touchscreen interfaces and more features you’d find on smartphones, like a music player or a camera. 

Perhaps the smartest dumb phone on the market right now is the Light Phone 3, which has a 3.92-inch OLED screen and a minimalist black-and-white aesthetic. Its features include GPS for directions, Bluetooth, a fingerprint sensor, Wi-Fi hotspot capabilities, a flashlight, a 50-megapixel rear camera, an 8-megapixel front-facing camera and a music player. It also has 5G support, which is something of a rarity among dumb phones.

However, it’s expensive at around $700, which is almost the same price as a higher-end smartphone. Light also sells the Light Phone 2, which lacks cameras and a flashlight, but it’s much cheaper at $300 (about the price of a midrange smartphone). It uses an E Ink screen instead of OLED. However, some reviews have said that the texting speed is pretty slow. 

Another touchscreen phone that’s similar to an e-reader and is fairly popular with the dumb phone community is the Mudita Kompakt. It has wireless charging, an 8-megapixel camera, GPS for directions, a music player, an e-reader and basic apps including weather, a calendar and more.

Barebones phones

On the other hand, if you’re ready for a full digital detox, then you could consider just a basic phone that lets you call, text and not much else. Simply harken back to the phones of decades ago and you’ll likely find one that fits that description. 

One of the major brands still making basic phones is HMD Global, which also makes Nokia-branded handhelds like the Nokia 3210 and the Nokia 2780 Flip. HMD makes its own line of phones too, such as the iconic pink Barbie phone, complete with a large Barbie logo emblazoned on the front. It even greets you with a cheerful «Hello Barbie» each time it powers on. We should note, however, that HMD has said it’s exiting the US, so the only way to get one might be through third-party reseller in the near future.

There are still basic phones being sold in the US. The Punkt MP02 is one of the more interesting models, thanks in part to its unique slim design and clicky buttons. You can even send messages via Signal with it, though you’ll have to text via the old-fashioned T9 method.

Android dumb phones

Some dumb phone purists might argue that anything Android doesn’t belong in this list, but if your main goal in quitting your phone is to be free of the social media algorithm, then perhaps a scaled-down smartphone is a good halfway point for you. A couple of examples are the Unifone S22 Flip phone (formerly the CAT S22 Flip phone) and the Doov R7 Pro candy bar (available outside of the US), both of which are Android handsets but have traditional cell phone designs (The Unifone S22 Flip runs Android Go, a simplified version of Android).

This way, you still have access to your «must-have» apps, and might be able to better withstand the temptation of social media because of their tiny size and shape (or at least that’s the theory).

Should you buy an old or used dumb phone? Will it work on a carrier’s 5G network?

There’s nothing wrong with buying an old or used dumb phone, but you should make sure that it works with your cellphone network. Not all phones work with all networks, and certain carriers in the US aren’t compatible with every device, so check their restrictions. AT&T, for example, has a whitelist of permitted devices and you generally can’t use something that isn’t on that list.

As for 5G support, that’s pretty rare when it comes to dumb phones, mostly because they often don’t really need it (they typically won’t see the benefit of faster data speeds, for example). Some, however, do have 5G support, such as the Light Phone 3, the Sonim XP3 Plus 5G and the TCL Flip 4. If 5G support is important to you due to network congestion concerns, then that’s something you can keep an eye out for.

What if I’m not able to give up my smartphone just yet?

Maybe you need your smartphone for work or emergencies, or maybe you just don’t find any of the existing dumb phones all that appealing. If you don’t mind exercising your willpower, there are existing «wellness» tools on both Android and iOS that could help limit your screen time by allowing you to set app timers or downtime modes.

You could also disable and uninstall all your most addictive apps and use parental control tools to limit your screen time. Last but not least, there are several apps and gadgets designed to help you cut back on doomscrolling, like the Brick and the Unpluq tag.

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