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The international, Exynos-powered Galaxy S7 and S7 edge have had a working root method ever since a few days after release. But the North American variants—those using Qualcomm's Snapdragon 820 processor—have locked bootloaders, and have proven to be almost unrootable up until ...more

Spotify launched an experimental feature in early-2018 called Spotify Voice, a voice assistant that lives right in the app. It lets you speak to quickly find and play your favorite songs, albums, artists, videos, and podcasts on the music streaming service. Although the featur ...more

When it comes to attacking devices on a network, you can't hit what you can't see. Nmap gives you the ability to explore any devices connected to a network, finding information like the operating system a device is running and which applications are listening on open ports. Th ...more

Remember that scene in The Matrix when Trinity uses a realistic Nmap port scan, followed by an actual SSH exploit (long since patched) to break into a power company? Well, believe it or not, but that scene is not far fetched at all. If you want to exploit vulnerabilities and r ...more

With the S9 and S9+ upon us, you maybe wondering if it's time to retire your aging Galaxy and either sell it or do a trade-in to get Samsung's latest flagship. Before you do, however, it's important to make sure that all its components — most notably the sensors — are working ...more

Etching your own circuit boards is tons of fun, but etching requires strong chemicals to dissolve the copper plating on blank circuit boards. The normal ferric chloride solution works well, but can be expensive and leaves permanent stains. Luckily, we can whip up our own etcha ...more

The new HTC One and Nexus series devices have already replaced their physical navigation keys with soft keys, and it's inevitable that we'll see more and more of this on future mobiles. Samsung continues to buck the trend entirely, but no manufacturer as gone as far as to remo ...more

All fields of study have their own language. For people interested in learning about microbes, the language can sometimes be downright difficult — but it doesn't need to be. From antibiotics to xerophiles, we have you covered in an easy-to-understand glossary. Terms are liste ...more

Automating port scanners, directory crawlers, and reconnaissance tools can be complicated for beginners just getting started with Kali Linux. Sparta solves this problem with an easy-to-use graphical interface designed to simplify a penetration tester's tasks. Sparta, authored ...more

WhatsApp may be one of the most popular mobile messaging services around since it's multi-platform, but if most of your family and friends use iPads and iPhones, there's no need to go beyond the stock Messages app. Except, it's so damn boring and slow. You can't really custom ...more

For the dedicated prankster, April Fool's Day is no joke. Nothing will stop them from coming up with the cleverest, most elaborate prank the world has ever seen. Or at least—their victim. The hardcore mischief-makers start planning out their ingenious prank the day after Apri ...more

As Android's official app provider, the Google Play Store is packed with thousands of useful programs. But Google's terms of service is extremely restrictive, which means that countless apps simply don't qualify to be hosted on the Google Play Store. As a result, many great a ...more

Android Police reported that the upcoming Nexus phones would be getting an exclusive launcher this year, dubbed the "Nexus Launcher." This rumored home screen app was said to feature Google Now integration, a swipe-up app drawer gesture, and a few other finishing touches. Ama ...more

Over the past month, we've spent significant time covering Samsung's Oreo Beta program, and the detailed list of features in Oreo is extensive for the Galaxy S8 and S8+. Many of you were upset when the Galaxy Note 8 was left out of the official Oreo beta program entirely, but ...more

Auditing websites and discovering vulnerabilities can be a challenge. With RapidScan and UserLAnd combined, anyone with an unrooted Android phone can start hacking websites with a few simple commands. RapidScan does an excellent job of automating the deployment of vulnerabili ...more

Using an iPhone isn't difficult, but it can be if you're using it for the first time, especially if you switched from an Android phone. That's primarily because of the massive difference in the user interface between the two operating systems. And when it comes to taking scree ...more

By using almost any packet-crafting tool, a hacker can perform denial-of-service (DoS) attacks. With the power to create just about any packet with any characteristics, a hacker can easily find one that will take down a host or network. Nmap and Hping are effective packet mani ...more

Android lets you sync your contacts across devices. The OS will use not only contacts saved on your phone, but also your Gmail. This choice can lead to a contacts list populated with entries that don't have a phone number, which can quickly add up. To mitigate this problem, th ...more

Router gateways are responsible for protecting every aspect of a network's configuration. With unfettered access to these privileged configurations, an attacker on a compromised Wi-Fi network can perform a wide variety of advanced attacks. Brute-Forcing Router Logins with Pat ...more

Man-in-the-Middle attacks can prove to be very useful, they allow us to do many things, such as monitoring, injection, and recon. What Is a Man-in-the-Middle Attack? Essentially, a man-in-the-middle attack is when an attacker places them self between two parties. This passes ...more

At its core, the Chromecast is essentially a web browser on a stick. When you cast content from your computer or smartphone, all you're really doing is telling the Chromecast which website to load. So if you're experiencing lag or issues casting content, the root cause is gen ...more

Whether you're a professional mechanic, a hobbyist, or someone who just wants to know why their check engine light came on, your Android device and an OBD-II adapter can provide insight as to what's going on with your car. Most adapters sell for less than $10, and once you plu ...more

Since Android is an open source operating system, that means anyone with a little know-how can download, view, and even alter its underlying code base. Manufacturers do it all the time, which is how we end up with skins like TouchWiz and Sense. But when Android's awesome third ...more

Apple's iPhone is one of the most popular, most expensive smartphones in the world, yet with a broken Home or Sleep/Wake button, it might as well be a doorstop. There are many different DIY ways to fixing a busted Home button, but the Sleep/Wake button (aka Power button) is a ...more

Normally, when you want to select multiple emails in the Mail app, you'd hit "Edit," tap all the bubbles next to the emails, then mark them, move them, or trash them. But in iOS 13, there's a much faster way to do it on your iPhone. While you can still tap "Edit," select all ...more

Though its necessity is less frequent compared to Android devices, iPhones still need to be shut down from time to time. Whether it's to help correct a buggy app, prevent overheating on a hot day, or conserve battery life in a pinch, the power button on any device is an indisp ...more

We often take for granted how reliable our iPhones are — so much so that many of us get panic-stricken at the very rare event where our device freezes up as a result of a buggy app or an update gone awry. Because of this, knowing the basics of troubleshooting is a handy skill ...more

Selecting text on a touchscreen device has always been a major pain point. Those tiny little arrows that let you adjust the selection area are always too hard to actually adjust, making precision all but impossible. Then there's the issue of some apps not even allowing text se ...more

Kali Linux is established as the go-to operating system for penetration testing, but in its default configuration, it's less than ideal for regular desktop use. While in many scenarios, a live boot or virtual environment can resolve these issues, in some situations, a full ins ...more

The primary method of activating Siri is done by pressing and holding either the Home or Side button, depending on the iPhone model, but there's a much better way to ask a question to Siri or command it to do something — and you don't need to touch your iPhone at all to do it. ...more

This how-to video is for anybody looking to gain lean muscle right in the convenience of your own home with little to no equipment. The intensity and variety of these exercises makes for an effective muscle-building workout. Standard Pushup With hands extended slightly outsid ...more

When it comes to Android automation apps, Tasker has never had much competition. But considering how difficult it can be for a novice user to get the hang of things, and factoring in Tasker's drab and complicated interface, there's definitely room for another developer to step ...more

If you're familiar with jailbreaking, you're well aware of the fragmented nature of downloading tweaks. Unlike the iOS App Store, which contains about two million apps of varying categories, installing jailbroken packages often requires you to first install a separate repo int ...more

If you own an iPad 2, a 3rd or 4th generation model, or original iPad mini, then you won't be able to utilize the new multitasking elements introduced in iOS 9. Although many iPads can use the Slide Over and Picture-in-Picture features, only the iPad Air 2, iPad mini 4, and iP ...more

When you leave your iPhone on a table or anywhere within somebody else's eyeshot, a private message may pop up on your lock screen that could be read by anyone who sees it. But there's a way to keep others from reading your possibly sensitive text messages and emails without g ...more

Every Windows system includes command prompt; and while a lot of people on Null Byte and WonderHowTo in general know how to use it, some people don't know anything about it, even how to access it. Even if you aren't a Windows user, it's good to know how command prompt works b ...more

If the iPhone XS, XS Max, or XR is your first Home button-free iPhone, you might have some questions, such as "How do I access the app switcher?" and "How do I use reachability?" While iPhone X owners have had over a year of practice, newcomers to Apple's buttonless revolution ...more

After a hacker has configured Metasploit on a remote private server, created a resource script for automation, and created a simple payload, he or she can begin the process of remotely controlling someone's Windows 10 computer with just a few moments of physical access — even ...more

In the new Android P, the multitasking view is reminiscent of webOS days. As a result, enabling split screen mode no longer works as it once did. However, it's still easy to use, whether or not you're using the new "Swipe up on Home button" gesture or have stuck with the old-s ...more

Welcome back, my hacker novitiates! In previous guides, we have used one of the most powerful hacking platforms on the planet, Metasploit, to perform numerous hacks. They ranged from exploiting Windows XP and Windows 7/8 vulnerabilities, to installing a keylogger and turning ...more

Your Galaxy's lock screen already lets you know there's no SIM card installed if it's missing on your device, so there's really no need to have a persistent icon for it on the status bar. If you want to hide the pesky symbol and accompanying notification for good, there's a ni ...more

If you're feeling stressed, there are many home remedies you could use for relief. Meditation, yoga, acupressure, an ear massage, more sleep, shower soothers, playing video games… the list is endless. But a lot of these methods require a significant amount of time, so what do ...more

Android is constantly being refined, and the tools used to root and install custom recoveries are no exception. Earlier methods to root and install custom recoveries were very long and complicated. Any misstep along the way and you can end up with a bricked tablet. That's the ...more

Welcome back, my tenderfoot hackers! Generally, you will want to perform a vulnerability scan before doing a penetration test. Vulnerability scanners contain a database of all known vulnerabilities and will scan your machine or network to see whether those vulnerabilities app ...more

Google Assistant just got a lot more powerful thanks to IFTTT. The automation platform, whose name stands for If This, Then That, connects your favorite online services and smart devices to one another, allowing for a seamless experience with many different gadgets—and Google ...more

Although iOS 8.4 was just released, the team behind the iOS 8.3 jailbreak have updated their tool for the latest operating system, and will work on an iPad, iPhone, or iPod touch. So if you've been wanting to get all your tweaks back, or want to start exploring all of Cydia's ...more

The microphone in a Windows computer is accessible to most applications running on the device at all times and completely without security limitations. Information gathered from recorded audio conversations taking place in the surrounding area of a compromised computer can be ...more

Apple's latest offerings, the iPhone 12, iPhone 12 mini, iPhone 12 Pro, and iPhone 12 Pro Max all feature the A14 Bionic system on a chip, the fastest chipset ever seen on a smartphone, running 50% faster than any other CPUs. But despite the advanced technology, even the iPhon ...more

The Google Pixel and Pixel XL have an exclusive set of navigation buttons that you can't get on any other device without some tinkering. But aside from just being solid, filled-in shapes, the real treat in the Pixel's nav bar is the Google Assistant animation that gets activat ...more

There are a ton of cool features available on your Samsung Galaxy Note 2, but if you're a softModder, you can make your phone do just about anything. Therein lies the problem…what do you want from your Android device? When you first start tinkering around, it can be troubles ...more

Using a keylogger to intercept keys pressed on an infected computer can circumvent encryption used by email and secure chat clients. The collected data can often reveal usernames, passwords, and potentially compromising and private information which hackers abuse for financial ...more

As touchscreen phones continue to evolve, the need for physical buttons seems less and less pronounced. While hard keys may seem like an endangered component on mobile devices, save for the Samsung Galaxy line, it'd be difficult to fathom a world where volume keys are absent. ...more

When the Steam Link app was first introduced in 2018, I was impressed. As long as you were on the same network as your PC, you could play your Steam games on your phone. But now, it's even more impressive. By enabling a few extra settings, you can play your Steam library on mo ...more