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On an iPhone, it's easy to blur or cross out faces and sensitive information found in your images — just use Apple's Markup tool for all your obfuscation needs. Things aren't as simple when it comes to videos. There are no built-in iOS features to blur, redact, or otherwise ob ...more

Facebook really wants your phone number, nagging you for one as soon as you join. This isn't all bad since it can help secure your account with two-factor authentication. On the flipside, this makes it easy to reveal the private phone numbers of virtually anyone on Facebook, i ...more

Now that there's a working jailbreak for every iOS 6.1 device, there are more and more people jailbreaking their iPhones (including me) for better customization. But for those of you who have no desire to jailbreak, you can still do some pretty cool tweaks. One such non-jailb ...more

As a developer, before you can make augmented-reality robots that move around in the real world, controlled by a user's finger, you first need to learn how to harness the basics of designing AR software for a touchscreen interface. In recent years, the vernacular for referrin ...more

Android comprises an entire ecosystem of apps, games, functions, and features, so it would only make sense that it has its own lexicon. Words, phrases, and acronyms that didn't exist ten years ago are now used in an off-the-cuff style by developers and support technicians acro ...more

Google's Android Device Manager makes it extremely easy to track down your phone or tablet, but while it's simple to set up and use, it does require your device to have an active data connection, which can be an issue in some areas. SMSLocator, by T3KBAU5, works a little diff ...more

Twitter's official iOS app is adequate if you're not much of a tweeter, but if you are, there's a lot of useful features that are missing. Luckily, there are plenty of free Twitter clients available that you can use on your iPhone. These third-party apps have features such as ...more

Sharing your personal information can come up for any number of reasons: you may want to get in touch with a colleague after work or you've been involved in a car accident and need to stay in contact with the other driver. Unfortunately, giving out information can be the key f ...more

For some of you, whether or not to delete Facebook is a daily struggle. One reason you might not have pulled the trigger on your Facebook account yet could be because of Messenger, which provides millions of people with different devices an easy way to communicate with each ot ...more

Welcome to the final tutorial of the series on standard C. This article will cover the linked list abstract data type (ADT). There will be a lot of abstraction to try to deliver the understanding in the most basic way for easiest interpretation of what they are and how they wo ...more

Greetings all. Before I get into the tutorial, I would like to mention that I am fairly new to Null Byte (been lurking for some time though), and what really appeals to me about this place is its tight, family-like community where everyone is always willing to help each other ...more

Hello readers, and welcome to Null Byte. Before we start, for those of you who may not know me, my name is ghost_; I'm a relatively active member of our community and have been around for a while. During my time here, I've seen our community cultivate into the brilliant one ...more

I wrote this about two years ago to help people make realistic passwords. The best part was while writing it I realized I encrypted the list in a manner only the maker would know.... on to the show Pa$$w0rdz Passwords should easy to remember. Now I'm not saying 123456 is ok, ...more

By now, you've probably already installed 10.10 Yosemite, the newest version of Mac OS X, on your computer. While you most certainly noticed the visual changes, you might have missed some of the really cool additions. We've spent the last few days getting to know it, and let ...more

Canvas fingerprinting is the web's trickiest privacy threat, but it's not impossible to stop. With all the media attention it's gotten lately, it's time we lay out exactly how to detect and prevent this invasive tracking technique. What Is Canvas Fingerprinting & Who Uses It? ...more

In an attempt to keep things simple, Snapchat has a limited amount of editing features, made up of "smart" photo filters, drawing pens, and special text captions. If you want more editing capabilities, you'll be pleased to know there's a way, no thanks to Snapchat, but you wil ...more

I never really cared much for the clock widget on my Nexus 7, mainly because it only gave me two styles—analog and digital. There are many different styles of clock widgets available on Google Play, but the majority of them just don't look good enough for me. Ideally, I'd lik ...more

Are you tired of your snoopy coworkers and friends lingering over your shoulder as you type in your security passcode? Unless you have the newer iPhone 5S with Touch ID that scans your fingerprint, you've only got a couple of security options—either a 4-digit numeric passcode ...more

For my money, one of the greatest improvements brought about from the smartphone revolution is the advent of visual voicemail. No longer do we have to slog through dial menus or trudge through every single message to get to the next. We can just look at our messages, right the ...more

I miss the days where my hardest assignment was drawing a Thanksgiving turkey using the outline of my hand and trying to stay in between the lines. It seems that there is some unwritten rule that adults shouldn't feel the need to draw. Well, not anymore. Drawing is not only a ...more

Welcome back, my greenhorn hackers! Recently, I asked the Null Byte community what subject they would most like me to cover in future tutorials. Many of you cited scripting, and I decided it's best to cover this subject soon, so here goes. Any self-respecting hacker must be ...more

Below are the official rules and guidelines for submitting content to WonderHowTo. Please look over them before publishing any articles. Ignoring the rules could result in deletion of your article or being flagged as a spammer. Most of these rules apply to comments as well. F ...more

We've talked before about EXIF data—or metadata—attached to photos and how it can expose information about your location, what type of device you're using, and even the device or camera's unique identification number. If you think it's not that big a deal, just ask John McAfe ...more

Android's Google Play Games app has let you track your feats and accomplishments in the games you play for quite a while now, but for some, the immersion experience might be broken after you finish dominating a game only to see your regular-ass name from your Google account on ...more

There are many things your iPhone or iPad can do, and Apple does an excellent job of documenting everything on its website. But there are some features that won't show up in any Apple manuals or help pages. We've rounded up some of the best secret features hiding in iOS 15 an ...more

Estimates say that there are roughly 441 million Apple Pay users in the world, but with almost a billion active iPhones in the world, some of you have yet to jump on board the digital payment method. But once you're ready — or if you just need a refresher — adding your debit a ...more

As paper forms become a thing of the past, it's becoming commonplace to fill out contracts, rental agreements, waiver release forms, and non-disclosure agreements online. You can easily fill out forms on your laptop, but how can you best do this using your iPhone or Android de ...more

Trying to figure out which music streaming service to subscribe to can be a difficult task when the playing field is so crowded. Each has its benefits, as well as downsides, so finding the right one for your needs and wants can take a lot of overwhelming research. But we've do ...more

When you set up your MyFitnessPal account for the first time, it asks for a checklist of personal info to create nutrition and fitness goals for you. Whatever you decide then, it's important to know that the goals provided to you are not fixed. If your doctor or nutritionist r ...more

It's only normal to snack on a few french fries every once in a while when you're on a diet, but it's still important to hold yourself accountable, even when you cheat just a little bit. MyFitnessPal, for both Android and iOS devices, has a database of nutritional information ...more

OnePlus is on track to deliver Android 8.0 Oreo to its flagship users by Q1 2018. Open Beta 1 was released for the 5T in late December, and we just received Open Beta 2. But this update isn't just tweaks and bug fixes, OnePlus has included a few new features to enhance the And ...more

Shortly after we detailed several indicators that the Galaxy S8 Oreo Beta Program would begin rolling out in the month of November, we now have a full changelog for the update. Many users on Reddit already found references to the beta in the Samsung+ and Samsung Members app. ...more

As many of you know, processor's clock frequency improvement got stuck in about 2003, causing the origin of multicore CPU (and other technologies). In this article I'll introduce you on how to run code simultaneously in various processors (I suppose that all of you have a mult ...more

One of the first orders of business after purchasing a new smartphone is to load up your shiny new toy with phone numbers, email addresses, and general contact information for all the important people in your life. Don't Miss: Android Basics: Get Started with Your New Smartph ...more

Apple just unveiled iOS 8 at the Worldwide Developer's Conference, and it has a lot of exciting features to play around with. Unfortunately, it won't be available to the public until this coming fall—but that doesn't mean you can't get it right now. There is a way to get iOS ...more

A long time ago, we recommended the Hover Zoom extension for Chrome as an easy way to blow up small image thumbnails without actually have to "click" on the images themselves. Over the past year, there have been reports that Hover Zoom now collects and sells your browsing data ...more

You probably already know what you want to do when you grab your phone. More than likely, you're either going to make a call, send a text, or open an app. So why can't you just do that right from your Samsung Galaxy S3's lock screen? Instead of entering in your passcode or pa ...more

There's a new trend on Instagram Stories: People are making viral AR filters where images of popular characters from TV shows, movies, and other mediums shuffle above your head until one sticks. The filters range from Disney and Pokémon characters to Harry Potter and Friends, ...more

There are times when physically interacting with your iPhone is less than ideal, like when you're cooking or driving. Fortunately, iOS 13 has you covered regardless of the circumstance you may find yourself in. With the new Voice Control feature, you can control pretty much ev ...more

Navigating and editing text is an essential part of any operating system, and with iOS 13, Apple has made some significant changes. Some things remain the same when working with text, but there are many updates to moving the cursor, scrolling, and selecting, cutting, copying, ...more

Imagine being able to play a video instantly on hundreds of thousands of devices across the globe. It's totally possible, as long as all of those devices have a Chromecast plugged in. When Chromecasts are left exposed to the internet, hackers can use add them to a botnet that ...more

Its official: On May 8, T-Mobile finally released the Android Oreo update for the LG V30 and V30+. Now, every major US wireless carrier has pushed the update. For me, this update is a big deal. Not only does Android Oreo bring some new tools and features, but LG has also inclu ...more

They're finally here — Samsung has officially revealed the Galaxy S9 and S9+, which run Android Oreo out of the box. Since we've spent plenty of time with the Oreo beta for the Galaxy S8, we already know about some of the best new software features coming to the Galaxy S9. Lik ...more

Even though most phones don't have Oreo yet, Google has released Android 9.0 Pie. It's available on Google's own Pixel devices, and updates should soon be available to partnered devices from Essential, Nokia, Oppo, Sony, Vivo, and Xiaomi. We're already digging into it to highl ...more

Samsung has finally rolled out the Android Oreo update for the Galaxy S8 and S8+. If you're just now getting the update, you'll be happy to know that your Galaxy just got upgraded with plenty of cool new features. Like previous updates, Samsung has improved upon its software b ...more

Codenamed "Nougat" after the sugary stuff that fills your Snickers bar, Android 7.0 is living up to its name with tons of sweet features. There's almost too many changes over Marshmallow to cover in one go, with new functionality ranging from a revamped Doze Mode for battery s ...more

Since it was released last fall, Super Mario Maker has offered us a glimpse into the minds of some of the most evil people on the planet. The game, for Nintendo Wii U, lets players create their own Super Mario levels using a deep list of objects, enemies, and green pipes, whic ...more

If you've recently jailbroken your iPhone 5, there's a likely chance that you're overwhelmed by the huge numbers of themes, add-ons and tweaks littered throughout the Cydia directory. The tweaks, of which there are over 1,000 in Cydia, resolve many issues and inconveniences t ...more

The last iOS software update was a modest one, but iOS 17.4 has a lot more for your iPhone, including changes to emoji, Podcasts, security, Safari, widgets, Apple Cash, CarPlay, and more. Many of the exciting changes in iOS 17.4, as well as iPadOS 17.4, apply to users in the ...more

The Calculator app is probably one of Apple's most-used iPhone apps, yet I always meet people who don't know all the little tricks there are to using it more efficiently. You may know most of them, but there's a chance you don't or at least forget about some of them. What a " ...more

Some iOS and iPadOS apps give you an option to lock them behind Face ID, Touch ID, or a passcode, but there aren't many. While there's no setting on iOS and iPadOS to lock any app behind Face ID, Touch ID, or a passcode, some third-party developers incorporate the feature the ...more

The standard way to sort your notes and to-dos in Reminders has always relied on you putting them in the correct list and group. Then came smart lists for flagged and scheduled tasks, followed shortly by a smart list for tasks assigned to you. In iOS 15, Apple brings yet anoth ...more

The Shortcuts app can help you play the next unlistened podcast from one of the shows, but getting the latest unplayed episodes from your whole queue of shows in the Podcasts app is a little trickier. There is an easy way to do it on your iPhone, though, and you can even autom ...more

Individually addressable LEDs, also commonly called "NeoPixels" after the popular Adafruit product, are a bright and colorful way to get started with basic Python programming. With an inexpensive ESP8266 or ESP32 microcontroller, it's easy to get started programming your own h ...more

Apple's Mail app has always been a stylish yet simple way to check and send emails. Third-party apps up the ante with powerful tools and features to help keep junk and spam mail out of your eyesight. But with iOS 13, you don't need them since Apple gave the Mail app some much- ...more

If you've read or watched anything Harry Potter before, you know friendship and teamwork are huge parts of the story. The same goes for Harry Potter: Wizards Unite, with its "Wizarding Challenges." Here, you can tackle Fortresses full of Foes alone, but why do that when you ca ...more

When a photo or video is just too sensitive to leave laying around in your Photos app, you'll want to either delete it for good or hide it away in safe, secure location on your iPhone. As for the latter, Apple actually has a few tools available to make photos and videos hidden ...more

When you first set up an iPhone, you'll be prompted to create a six-digit passcode to unlock your screen and access certain system settings. If you skip this step, you can always go back and create one, which we highly recommend. Without a passcode, everything on your iPhone i ...more

The telecommunications industry has come a long way since Ma Bell opened the first telephone exchange in the late 1800s. With the advent of fiber optics and wireless broadband technology, we no longer have a need for a dedicated phone connection, as today's data networks can c ...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