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Google Voice has a hidden feature that lets you record any phone call you're participating in, and unlike other apps, it doesn't cost a dime. When it comes to recording phone conversations, you may think the worst and associate it with something shady like obsessive exes and ...more

The home bar, that tiny sliver of color at the bottom of the screen on Home button-less iPhone models, is helpful when first getting used to an iPhone X or newer's gestures. It helps you learn how to swipe up to unlock, go to the home screen, view the app switcher, and so on. ...more

With new messaging services being pushed out constantly, it can be a pain trying to keep track of them all on your Android device. We had previously shown how to stay on top of them all with a unified "inbox" app, but that still requires you to have each individual app install ...more

The Galaxy S6 might just be the best Android phone on the market right now. From a hardware standpoint, Samsung truly knocked this one out of the park with its finely-crafted build quality and amazing screen. But the lone drawback here is that TouchWiz is still as intrusive a ...more

It's common for IoT devices like Wi-Fi security cameras to host a website for controlling or configuring the camera that uses HTTP instead of the more secure HTTPS. This means anyone with the network password can see traffic to and from the camera, allowing a hacker to interce ...more

So you've managed to get a shell on the target, but you only have measly low-level privileges. Now what? Privilege escalation is a vast field and can be one of the most rewarding yet frustrating phases of an attack. We could go the manual route, but like always, Metasploit mak ...more

Android's Quick Settings menu is quite handy—just swipe down with two fingers from the top of your screen and you're ready to toggle several different system settings on or off. It got even better with Android 6.0 Marshmallow, since you can even use the hidden System UI Tuner ...more

Apple has several ways for you to communicate in the Messages app aside from texting — and that includes audio messages. You can send a voice recording via iMessage by long-pressing the microphone icon just right of the input field and speaking. However, by default, these audi ...more

Smartphones and laptops are constantly sending Wi-Fi radio signals, and many of these signals can be used to track us. In this guide, we'll program a cheap IoT device in Arduino to create hundreds of fake networks with common names; This will cause nearby devices to reveal the ...more

An invaluable button on your iPhone can do hundreds, even thousands, of amazing things, but most iPhone users don't even know it exists. You can't push it. You can't click it. You can't press it. But it's the largest button on your iPhone, more powerful than the versatile Side ...more

Everything you post on social media lives there forever — even if you delete it. Just ask anyone that's ever posted something stupid. Instagram does not provide built-in tools to save or download images and videos from other users, but there are workarounds. Third-party tools ...more

If you've ever heard software piracy terminology being discussed, I'm sure the term KeyGens came up. KeyGens is short for key generator, which is a program that exploits algorithmic faults in software by generating software license keys that appear to be genuine. Normally used ...more

Creating GIFs of your own burst images has been possible for a while with third-party iOS apps, some of which cost money or include in-app purchases to utilize the full potential. Fortunately, with Shortcuts, Apple's automation workflow app, there's finally a native way to ach ...more

Samy Kamkar, the security researcher known for the MySpace Worm and his combination lock cracking skills (using an online calculator), is back—and this time, he's after your credit cards! Well, not really, but his latest project, dubbed MagSpoof, can spoof any magnetic stripe ...more

Update, November 12, 2014: Android 5.0 Lollipop is officially out now. If you haven't gotten the OTA yet, check out our new guide on installing the official Lollipop builds on any Nexus for download links and instructions, for Mac or Windows. Update, October 17, 2014: In adv ...more

The top five apps of the 2010s were all social media apps of some kind, and the fact that's not surprising to you says a lot. We may use them for other reasons here and there, but our phones are social media machines at their cores. The thing is, some make better machines than ...more

With the amount of time we spend glued to our smartphones, they could be considered a second job (if only we got paid). I spend a large part of my day scrolling through Reddit, Facebook, Instagram, and countless other apps, and burn through hours and hours without even noticin ...more

When it comes to automation apps on Android, Tasker is still the king of the hill. For a price of $2.99 on the Google Play Store, it's a great buy for any would-be tinkerer that would like to get into automating actions on their Android device. Then, when you consider that the ...more

Snapchat popularized personalized stickers for social media and messaging with Bitmoji, followed by walled-garden versions from Apple with Memojis and Samsung with AR Emojis. Even Google has gotten into the game, integrating an emoji generator for Gboard. Finally, Facebook ha ...more

An incredible amount of devices use Bluetooth or Bluetooth Low Energy to communicate. These devices rarely have their radios switched off, and in some cases, are deliberately used as trackers for lost items. While Bluetooth devices support MAC address randomization, many manuf ...more

When you have minor software issues like an app crashing, restarting your iPhone would usually fix it. But Apple doesn't provide an official "Restart" or "Reboot" option (unless you count this bold text hack), so we typically have to power our devices off and on in these scena ...more

The war on dehydration is a commercially burgeoning marketplace. An increasingly sophisticated consumer population hoping to conquer everything from 26-mile marathons to vodka shots is deconstructing every functional remedy in the fight to quell the effects of severe dehydrati ...more

You could already schedule an email to send on a specific day and time in Apple's Mail app, but that functionality is now also available in the Messages app. What's even better is that scheduled messages sync across your iPhone, iPad, and Mac, something you don't get in the Ma ...more

Welcome back, my tenderfoot hackers! So many readers in the Null Byte community have been asking me questions about evading detection and hacking undetected that I decided to start a new series on digital forensics. I applaud each of you for your concern, as the last thing I ...more

In each day of our life, we see inflammation. We see it during sore throats and abscess formations in our bodies, and even slight tooth pain is a form of inflammation. Sometimes it's good when it fights to protect us from invading organisms, but sometimes it becomes bad when i ...more

There are currently 27 available Animoji to choose from in iOS 13, but you're not limited to Apple's animated emoji characters — you can make your own. They're called Memoji, an available feature since iOS 12, and they're highly customizable. Think of Memoji avatars as person ...more

With Safestrap bringing custom recovery functionality to the AT&T and Verizon Wireless variants of the Samsung Galaxy S5, it's high time we covered this process for all other versions of the GS5. If you're not familiar with the term "custom recovery", it's a piece of software ...more

So you've been playing Call of Duty Mobile for some time but can't seem to get MVP at the end of the battle. Well, since the game is a competition of players and bots, you're in an uphill battle. But you don't have to languish at the bottom. With the help of these tips, you mi ...more

Waze is the go-to navigation app for millions of drivers, and it's easy to see why. Benefits such crowd-sourced traffic data, police trap locations, and road work avoidance are just the tip of the iceberg. It can almost be overwhelming, but with these simple tips, you'll maste ...more

In the digital age, maintaining your privacy is a never-ending battle. All sorts of companies and agencies have access to your data, and quite a few can eavesdrop on almost every method of modern communication. In an effort to push back, Open Whisper Systems has been at the f ...more

Live wallpapers are part of what make Android's features so unique and wonderful, making your homescreens come alive and much more interesting. The wallpapers are extremely customizable and interactive, many times sensitive to swipes, finger-tapping, and other multi-touch gest ...more

Google has a habit of starting on new projects for Android, then hiding them away if they didn't quite complete them in time for a major release. We saw this with multi-window mode last year (which is now an official Nougat feature), and this year, there was the hidden night m ...more

Update (Fall 2020): Samsung's version of Android 11 is already in its testing phases! One UI 3.0 is expected to hit recent flagship Galaxy devices towards the end of this year, so check out the new list of features: New Version: All the New Features & Changes in Samsung's One ...more

Shodan calls itself "the search engine for internet-connected devices." With so many devices connected to the internet featuring varying levels of security, the special capabilities of this search engine mean it can provide a list of devices to test and attack. In this tutoria ...more

The world around us keeps getting smarter. Not only do we have advanced AI services like the Google Assistant, but now we've got the Internet of Things connecting physical objects to the digital world. It's amazing when you think about it, but the real sci-fi stuff starts to h ...more

One of the best things about Android is the ability to customize your phone to your liking. From changing the layout of icons to finding the perfect wallpaper to reflect your current mood, there's a wide range of tools to make your phone yours. One of the easiest ways is to t ...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

For many, phones are starting to replace televisions as the primary device for watching videos. Thanks to their portability and easy to use apps, it's often simpler to watch Netflix, Hulu, YouTube, or Prime Instant Video on the smaller screen. But not every phone is suited to ...more

If you have a long commute, it only makes sense to catch a bit of shuteye while you're headed to work on the train or bus. The only problem with this is that, if you're napping a little too hard, you might end up oversleeping and missing your stop when the subway pulls into yo ...more

GIFs are awesome, but GIFing from your keyboard is some next-level stuff, and Apple knows this. That's why they've included a way to find and send GIFs in Messages from the stock iOS 10 keyboard. However, iOS 10 is not out for the public just yet, so if you want to easily send ...more

Google has started blocking certain devices from accessing the Google Play Store and other Google services. This is part of an effort to clamp down on OEMs that skirt its certification requirements, but now millions of phones have been uncertified to download or update Google ...more

Welcome back, my rookie hackers! As hackers, we are often faced with the hurdle of cryptography and encryption. In some cases, we use it to hide our actions and messages. Many applications and protocols use encryption to maintain confidentiality and integrity of data. To be a ...more

First off, don't be frustrated. YOU CAN DO IT! Contrary to the message in the image above, it's NOT over. It's just beginning. And when it comes to solving the New York Times crossword puzzle, the old cliche does apply: practice makes perfect. I've read quite a few books and ...more

Gboard is one of the best third-party keyboards available for iPhones, but you probably don't know everything you need to know about it to become a real Gboard pro and stop using Apple's stock keyboard for good. I've tried many third-party keyboards on my iPhone since they we ...more

Now that we've got all of our software installed, we're going to proceed with the next step in our HoloLens Dev 101 series—starting a fresh project and building it into a Holographic application. Then we will output the application to the HoloLens Emulator so we can see it in ...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

Google Keyboard, which comes pre-installed on Nexus devices (and is available for all others from the Play Store), is one of the most functional keyboards currently available for Android. With features like gesture-based typing, next-word prediction, and even text expansion ma ...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

There's a serious issue with Google Fi's service for iPhone that prevents sending any MMS pictures via the Messages app. The problem doesn't affect all iPhone users on Google Fi, but if you're like me and keep getting that frustrating "Not Delivered" alert, there's a fix. I j ...more

There are hidden Wi-Fi networks all around you — networks that will never show up in the list of available unlocked and password-protected hotspots that your phone or computer can see — but are they more secure than regular networks that broadcast their name to any nearby devi ...more

It would only make sense that Google is one of the most active app developers on the Android platform, particularly when you consider that they develop the platform itself. From my count, there are an astounding 117 unique apps that the search giant and its subsidiaries have p ...more

Whether you've celebrated multiple cake days or you're just now getting your feet wet with Reddit, it's a rite of passage to choose your preferred smartphone client. Quick spoiler: Your best option most certainly is not the official Reddit app. Reddit's mobile site is pretty ...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

After many beta builds, Apple has finally released iOS 7.1 to the public. It includes bug fixes for the old iOS 7.0.6, along with UI enhancements and even some new features. If you haven't gotten around to playing with iOS 7.1 yet, here are a few of the new features and impro ...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

Chances are that you've been using your microwave just to nuke leftovers, but they can do so much more than heat up last night's dinner—microwaves can help you peel garlic more quickly, get more juice out of lemons, disinfect your kitchen, dry out herbs, give beauty products n ...more

Dating websites allow you to see a person in a very intimate context, framing their successes and accomplishments in life to an important audience. The information contained in these profiles often can't be found elsewhere, offering a unique look into the personal life of the ...more

When you look at the top corner of your phone, what do you see? Upon upgrading to Android 11 or iOS 14, you'll see either "5G," "5G+," or "5G E" if you're connected to the right network. But what exactly do these symbols mean? They indicate not only if you're using 5G, but als ...more

It used to be easy to hack tethering—root your device and install a third-party or modded tethering app. But snuck in amongst the changes in Android 4.3, a new data-monitoring service of sorts made its debut. There used to be a time when your data connection was yours. You pai ...more

Google TV gives the new Chromecast a home screen full of curated content from your various streaming subscriptions, but it's just that — a home screen app. Underneath, Google's new dongle is running Android TV, meaning its home screen is just a launcher that can be installed o ...more