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How To: MyFitnessPal Has a Hidden Way to See How Much Weight Your Diet Will Help You Lose

MyFitnessPal has become extremely popular thanks to features that help users keep themselves accountable and stay motivated as they eat healthier and lose weight. While the application does a great job of reminding you to log the food you eat in order to keep track of your calories, there is one incredibly useful feature that doesn't get much attention.

How To: Easily Change Your Phone's Font Without Tripping SafetyNet

You can easily deck out your favorite phone with great wallpapers, ringtones, and icons, but what about fonts? Not all Android skins let you change the system font, and even when they do, the options are often limited to a few choices. Certain root apps can open up the system font to customization, but some of these can cause problems now that Google introduced a security measure called SafetyNet.

How To: Fix the 'Number Changed to Primary' Bug on Your iPhone

The iPhone XS, XS Max, and XR aren't the newest devices from Apple Inc., but all three have a serious problem in Messages. When sending a friend an SMS/MMS text rather than an iMessage, the phrase "Number changed to Primary" appears in front of every message. What gives? If this issue is driving you mad, there are a few tricks that may exterminate the bug until Apple gets around to issuing a patch.

How To: Force Restart Your iPhone XS, XS Max, or XR When It's Acting Up

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 to have, and this still applies to the iPhone XS, XS Max, and iPhone XR. Force-restarting is usually the first tactic to employ.

How To: Customize Navigation Prompts on Apple Maps for Clearer Spoken Directions

When it comes to traveling from one location to another with the aide of your iPhone, ensuring your navigation app works as it should keeps you one step ahead of potential hassles. One feature often overlooked is audio settings, and while having no voice prompts is easy enough to ignore while walking or commuting, having no sound to guide you while driving can spell disaster.

How To: Build a Beginner Hacking Kit with the Raspberry Pi 3 Model B+

If you want to follow Null Byte tutorials and try out Kali Linux, the Raspberry Pi is a perfect way to start. In 2018, the Raspberry Pi 3 Model B+ was released featuring a better CPU, Wi-Fi, Bluetooth, and Ethernet built in. Our recommended Kali Pi kit for beginners learning ethical hacking on a budget runs the "Re4son" Kali kernel and includes a compatible wireless network adapter and a USB Rubber Ducky.