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Karthik Iyer-Senior writer

Karthik Iyer

Senior writer

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About Karthik Iyer

A senior evergreen writer at XDA Developers serving up reviews, buying guides, deals, and more on laptops, PC hardware, and smartphones that you care about. He's been covering the computing and smartphone industry for over seven years now and has worked with various brands to establish an authority in the technology space. Before joining XDA Developers, Karthik was a senior reviewer at Digit, a popular tech magazine in India. You will likely find him yelling at his monitors while playing an online shooter in his free time.

What tech products or categories are you most passionate about?

Everything that remotely falls under the umbrella of technology gets me excited, but I've been directing my attention more towards the day-to-day computing devices like laptops, desktops, and smartphones that are shaping the future.

How long have you been interested in technology?

I may have started covering the technology space "officially" in 2016, but I've been obsessed with technology and gadgets for as long as I can remember. I was lucky enough to get my hands on a Motorola Razr V3 in 2006, shortly after which I started writing about technology on my blog.

What was your first computer?

I've been dabbling with computing devices for as long as I can remember, but it wasn't until 2010 that I built my first computer. It coincided with the launch of Intel's 2010 Core processor family, and I vividly remember how excited I was to finish the build and install a copy of GTA IV. The good old days when choosing the right component or finding a stable game to run wasn't a chore.

Latest Articles

Google Pixel 6a box with the Pixel 6a behind it
How much warranty does the Google Pixel 6a have?

In this article, we'll tell you about the Pixel 6a warranty details including the warranty period, what's covered under the warranty, & more.

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Google's new Pixel 6a has already made it to our collection of the best cheap Android phones that you can buy in 2022. It doesn't have all the bells and whistles that you'd expect from a high-end device, but there's still plenty to like for the $449 asking price. It takes a lot of the good from the Pixel 6 and makes some meaningful compromises to fit into the mid-range category. We suggest you read our Pixel 6a review if you want to learn more about the phone before making a purchase decision. But if you've already made up your mind and wondering about the device warranty then you've landed on the right page. In this article, we'll tell you all the Pixel 6a warranty details including the warranty period, what's covered under the warranty, and more.

Motorola Moto Razr launch poster.
The Moto Razr 2022 seems like a great alternative to the Galaxy Z Flip 4, but it's only available in China

The all-new Moto Razr 2022 seems like a great alternative to the Galaxy Z Flip 4, but it's currently limited to the Chinese market. Read on to learn more.

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There's been a lot of discussion around the new Moto Razr (codenamed Maven) over the last few months, but we finally know everything about this new flip phone. Motorola has put an end to all the speculation by officially unveiling the new Moto Razr 2022 in China. The new foldable device is a boldly reimagined version of the previous two iterations, and there's definitely a lot to like here.

Google Pixel 6a vs Apple iPhone SE 2022
Google Pixel 6a vs Apple iPhone SE 3 (2022): Which budget phone to buy?

Let's take a look at the Google Pixel 6a vs Apple iPhone SE matchup to find out which budget phone is better to buy in 2022.

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Google's new Pixel 6a and Apple's iPhone SE 3 (2022) offer a lot of bang for the buck for those who are looking to buy a phone for under $500. These two smartphones, in fact, offer the best value for money in markets like the US where there are hardly any value-for-money offerings from Chinese OEMs. The Pixel 6a brings a lot of the great features of the Pixel 6 and the Pixel 6 Pro including its unique design with the two-tone finish, the powerful Tensor chip with AI smarts, a good set of cameras, and more. Apple's iPhone SE 3 brings the same processor that's running the show for iPhone 13, the reliable iOS software experience, and more in an ultra-compact form factor. There's clearly a lot to like about these smartphones but let's take a quick look at the Google Pixel 6a vs Apple iPhone SE 3 comparison to find out which phone is the best for less than $500.

Does the Samsung Galaxy Z Flip 4 support wireless & reverse wireless charging?

Let's a quick look at the Galaxy Z Flip 4 charging capabilities to see find whether it support wireless and reverse wireless charging.

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The Galaxy Z Flip 4 is now official and Samsung has made several improvements this time around to make it a well-rounded clamshell-style foldable. The Galaxy Z Flip 4 is now more compact and durable, and it also has slimmer bezels around the display. Additionally, the Galaxy Z Flip 4's specifications sheet is also seeing some noteworthy improvements such as a new chipset, upgraded cameras, and more. If you're wondering about the Galaxy Z Flip 4 charging situation, then you've come to the right place. We're happy to report that the Galaxy Z Flip 4 supports faster wired charging compared to the Flip 3. The new foldable also supports both wireless and reverse wireless charging.

galaxy z fold 4
What colors does the Samsung Galaxy Z Fold 4 come in?

Let's take a quick look at all the Samsung Galaxy Z Fold 4 colors to find out which one looks the best and is worth buying out of the bunch.

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The Samsung Galaxy Z Fold 4 brings a lot of improvements over its predecessor and is hence considered to be Samsung's most refined foldable phone yet. Its biggest upgrades this time around include a more durable design with different dimensions and a wider display. It looks a lot like the Galaxy Z Fold 3 from last year, but Samsung has made a ton of changes to improve the overall fit and finish of the device. And unlike the Galaxy Z Fold 3, the new foldable comes in four colors -- Phantom Black, Graygreen, Beige, and a Samsung.com exclusive Burgundy.

flip 4
What colors does the Samsung Galaxy Z Flip 4 come in?

Let's take a quick look at all the official Galaxy Z Flip 4 colors and the Bespoke Edition combinations to find out which one looks the best.

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The Samsung Galaxy Z Flip 4 is Samsung's new clamshell-style foldable smartphone with many changes to improve upon its predecessor. The new foldable is more compact, comes with a slightly different hinge design, and has slimmer bezels around the display. Even though the company has made some physical changes to the device, we think it looks broadly the same as the Galaxy Z Flip 3. This also means the Galaxy Z Flip 4 flaunts a cool dual-tone design and comes in a bunch of different colorways. You can buy this particular foldable in Graphite, Bora Purple, Pink Gold, and Blue colors.

OxygenOS 13 Open Beta Hands On: This is what official Android 13 looks like on OnePlus smartphones

The OxygenOS 13 open beta is now available to download on the OnePlus 10 Pro, and here's everything new with the software.

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OnePlus faced a torrent of backlash for dropping the ball on the software front by merging its software codebase with Oppo's ColorOS. The subsequent software releases were littered with bugs, and even the stable update -- that hit many OnePlus devices including the OnePlus 9 series -- felt like an afterthought with many inconsistencies. Soon after that, the company decided to walk back on some of the changes, indicating that OxygenOS 13 will right the wrong that had been done, and will go back to what OxygenOS UI used to be in the past. Well, the update that's supposed to deliver a "familiar OxygenOS experience" is finally here as a part of the company's Open Beta initiative. That's right, I've sideloaded the OxygenOS 13 Open Beta based on Android 13 on a OnePlus 10 Pro, and here are some of the first things I've noticed:

OnePlus 10 Pro vs Apple iPhone 13: Which phone is better to buy in 2022?

Let's take a look at the OnePlus 10 Pro vs Apple iPhone 13 comparison to find out which one's better to buy in 2022.

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The OnePlus 10 Pro positions itself as a premium Android flagship on the market. It offers a good set of internals for the price, but it's only a marginal upgrade -- if at all -- over the OnePlus 9 Pro from last year. So despite having a "Pro" moniker, the OnePlus 10 Pro often finds itself competiting with more standard phones on the market. In this article, we're going to take a look a look at the OnePlus 10 Pro vs Apple iPhone 13 to find out how the latest and greatest flagship from OnePlus compare to one of the finest iPhones out there.

OnePlus 10T next to charger and other accessories on blue surface.
How to set up the OnePlus 10T: A step-by-step guide

In this tutorial, we'll take you through a step-by-step guide explaining how to set up the OnePlus 10T from scratch. Check it out!

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The OnePlus 10T is now official and it brings some noteworthy improvements over the OnePlus 10 Pro which arrived earlier this year. The highlight of the new flagship is the fact that it packs Qualcomm’s latest flagship chipset — the Snapdragon 8 Plus Gen 1. It supports an insanely fast 150W charging, and the company is also bundling the fast-charger inside the box, which is great.

OnePlus 10T 5G in Jade Green and Moonstone black colorway
What colors does the OnePlus 10T come in?

In this article, we'll take a quick look at the two OnePlus 10T colors that will be available to purchase at launch.

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OnePlus finally pulled the curtains to reveal its new flagship and the third entry in the OnePlus 10 series -- the OnePlus 10T 5G. This particular device is essentially a successor to the OnePlus 10 Pro that debuted earlier this year. As such it adds a powerful new chipset into the mix and brings some noteworthy improvements in the battery department. The highlights of the phone include the new and upgraded Snapdragon 8 Plus Gen 1 SoC and 150W charging support. It also brings a new set of cameras and ditches the Hasselblad branding at the same time. We have a lot more details about it in our OnePlus 10T review, so be sure to check it out. But if you've already made up your mind about buying this new phone and are wondering which color variant looks the best, then we're here to help.

Samsung Galaxy S22 Plus vs Google Pixel 6 Pro
Samsung Galaxy S22 Plus vs Google Pixel 6 Pro: Which flagship phone to buy?

Let's take a look at the Galaxy S22 Plus vs Google Pixel 6 Pro comparison to find out which one's better to buy in 2022.

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Samsung's Galaxy S22 Plus and the Google Pixel 6 Pro are two of the best premium flagship phones you can buy in 2022. The Galaxy S22 Plus sits in the middle between the smaller Galaxy S22 and the more premium Galaxy S22 Ultra in the lineup this year. The Pixel 6 Pro, on the other hand, represents the best of what Google has to offer in the smartphone space in 2022. From powerful internals to excellent software support, there's a lot to like about each of these phones but they're not created equal. You're bound to lean towards one or the other depending on your expectations, so let's take a look at the Galaxy S22 Plus vs Google Pixel 6 Pro comparison to find out which one's better to buy in 2022.

The Iqoo 9T takes on the upcoming OnePlus 10T with Snapdragon 8 Plus Gen 1 SoC

Iqoo has launched yet another flagship smartphone in India called the Iqoo 9T 5G. This one's powered by the Snapdragon 8 Plus Gen 1 SoC.

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After launching the Iqoo 9 and 9 Pro earlier this year, Vivo's sub-brand has now launched yet another power-packed device in India -- the Iqoo 9T. This new smartphone enters Iqoo's growing portfolio of high-performance devices bearing the latest and the greatest Snapdragon 8 Plus Gen 1 SoC, 120Hz E5 AMOLED display, 120W FlashCharge support, and more. There's even a white-colored variant of the phone with three rally stripes to highlight the brand's partnership with BMW M Motorsport. With powerful specifications like these, the Iqoo 9T is clearly locking its sights on the upcoming OnePlus 10T. Here's everything you need to know about the new Iqoo's new flagship:

Photo of the Galaxy S22 on a table
The Samsung Galaxy S23 series could see Snapdragon chips in more regions

Samsung has entered a partnership with Qualcomm to bring Snapdragon chipsets in more Samsung devices in the future. Here's everything we know.

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Samsung has historically used both Qualcomm's Snapdragon and the in-house Exynos chips in its flagship phones over the years. That's also true for the company's Galaxy S22 series which is powered by the Snapdragon 8 Gen 1 chip in markets like the US, while many of the units destined for other markets like Europe got Exynos 2200. India got a Snapdragon chip in the Samsung Galaxy S22 series for the first time, and it looks like future Galaxy S series flagships will carry a Snapdragon chip in more regions as the company is strengthening its partnership with Qualcomm. The collaboration between companies involves widening the usage of “Snapdragon platforms for future premium Samsung Galaxy products, including smartphones, PCs, tablets, extended reality, and more.”

Redmi K50i phone next to the media box and an artifical plant
Redmi K50i Review: Lightning-fast performance at a low price

Xiaomi has launched the Redmi Note 11T Pro as the Redmi K50i in India. Let's find out if its worth buying in our Redmi K50i Review.

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The Redmi K50i is the latest phone in the K-series that's titanically popular in India and beyond. This particular smartphone is a spiritual successor to the Redmi K20 Pro that debuted back in 2019. As is tradition for the K-series phones, the new Redmi K50i brings some powerful internals at an affordable price. There's a lot to like about the Redmi K50i but its performance is the main attraction here and the phone cuts through tasks like a hot knife through butter.

Generic 5G graphic
5G Spectrum auction in India: Supported 5G bands, expected rollout, and other things you need to know

Here's what you need to know about the 5G spectrum auction in India including the supported 5G bands, expected rollout, and more.

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The auction of the 5G spectrum in India is currently underway, meaning we're now one step closer to finally putting our 5G smartphones to use. We already have a definitive guide explaining everything you need to know about 5G networks in detail. That's the only explainer you need to read if you want to refresh your memory around 5G and get down to the nitty-gritty of spectrums, network bands, carriers, and more. In this article, we're going to give you a low down of different spectrums and 5G bands that will be used by different carriers in India.

nothing phone 1 screen
How to set up the Nothing Phone 1: A step-by-step guide

In this article, we'll take you through a step-by-step guide explaining how to setup your new Nothing Phone 1 smartphone from scratch.

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Nothing -- a new company headed by former OnePlus co-founder Carl Pei -- finally pulled the curtain this month to reveal its first smartphone called Phone 1. This particular phone is sure to grab a lot of attention with its Glyph Interface. The device has 900 LEDs underneath the glass on the rear that light up with unique patterns. You can find more information about this unique interface and many other things in our Nothing Phone 1 review, so be sure to check it out. If you're curious about the setup process or if you're stuck somewhere and need help, then you've come to the right place. Here's how to set up the Nothing Phone 1 from scratch:

A Vivo X60 Pro Plus smartphone on a yellow-colored background next to a black and white badge
How to turn off manufacturer watermarks in the camera app, or remove them later

In this article, we'll tell you how to remove manufacturer watermarks in the camera app, or remove them in post.

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A lot of smartphones these days notoriously add a "Shot on" watermark on all the photos you capture using their camera. For those who don't know, this isn't necessarily a new feature we just started seeing on phones. If I recall correctly, the Huawei P9 was one of the first phones that felt the need to slap a "Huawei P9 - Leica Dual Camera" watermark on all the photos I captured. It's not necessarily a deal-breaker for me but I see how it can be not very pleasant for many who want their images to come out unscathed. Luckily, you can turn off these manufacturer watermarks, and here's a simple guide to teach you how to do it. You can also navigate this article using the index below to see how to remove those watermarks from the images after the fact.

Oppo Reno 8 Pro featured
Oppo Reno 8 Pro Review: Every bit as performant and high-end as premium flagships

Oppo has launched the Reno 8 Pro in India for ₹45,999 (~$575). We find out if it's worth your money in our Oppo Reno 8 Pro review.

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The Oppo Reno 8 Pro may not be armed to the teeth, meaning it's not positioned as a flagship device on the market. But having used it as my primary phone for the better part of the last couple of weeks, I can say it's every bit as high-end and performant as other premium devices in 2022. It comes with advantages and disadvantages of its own, but the Reno 8 Pro might actually be better than many other upper mid-range phones that are available out there. It's not without its flaws, but I think the Reno 8 Pro hits a lot of right notes you'd expect from a flagship phone and it shines with a few unique features of its own.

Redmi K50i smartphone in Silver color next to its retail box contents
Redmi K50i Unboxing: What's inside the box?

Let's check out the Redmi K50i unboxing to take a look at everything you get inside the retail box of this phone in India.

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The Redmi K50i has finally arrived in India and it's the first Redmi K-series phone from the brand in three years. This particular phone is powered by MediaTek's Dimensity 8100 chip, and is touted to be one of the fastest phones in its segment. If you're interested in buying this phone and are wondering what you get inside the box, then we've got you covered. Here's everything you get inside the Redmi K50i's retail box in India:

Oppo reno 8 Pro in hand with unboxed contents including a charger and USB cable in the background
Oppo Reno 8 Pro Unboxing: What’s in the box?

Let's check out the OPPO Reno 8 Pro unboxing to take a look at everything you get inside the retail box in India.

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Oppo's Reno 8 series has finally arrived in the Indian market. The premium mid-rangers -- the Reno 8 and the Reno 8 Pro -- come with some noteworthy changes under the hood, meaning they aren't the same Reno 8 series devices that arrived in China earlier this year. The Indian variant of the Reno 8 Pro, for instance, is powered by MediaTek’s Dimensity 8100-Max chip instead of the Qualcomm Snapdragon 7 Gen 1 found inside the Chinese variant.

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