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How To: Set Custom Chat Wallpapers in Signal for All Conversations & Single Threads

Popular chat apps like Facebook Messenger and (these days, sadly) WhatsApp might not cut it when it comes to privacy and security, but they sure do offer some fun ways to customize your chats. If you're worried that moving to Signal Private Messenger means you lose these features, don't — the privacy-focused app also lets you choose custom chat wallpapers for all your threads.

How To: Send & Receive Disappearing Messages in Your WhatsApp Conversations to Keep Chats Clutter-Free

Sometimes, keeping every message comes in handy. Maybe you want to relive fun conversations from months or years ago, or perhaps you need to recall a piece of data such as an address, name, or link. However, not all chats need to stick around forever. Whether you're concerned about privacy or just keeping your threads clutter-free, WhatsApp's "disappearing messages" may be what you're looking for.

How To: Add an Emergency Medical Card to Your iPhone's Lock Screen with Important Health Information for First Responders

You can't predict the future, but you can prepare for it. On the off chance that you get hurt in a car accident, take a nasty tumble, fall down a cliff, have a seizure, or get struck by lightning, it's always good to carry up-to-date information about your health in case you can't speak for yourself. A physical medical ID wallet card or bracelet can provide the information, but so can your iPhone.

How To: Bypass Paywalls in Safari to Read Any Article on Your iPhone

Paywalls make it nearly impossible to access certain content unless you have a subscription. It's a practice that many news organizations and other online publications use to increase revenue: The New York Times, The Wall Street Journal, Vanity Fair, Wired, and so many more. But just because a paywall is in place doesn't mean you can't get around it on your iPhone.

How To: 9 Hidden Audio Mods for Your Galaxy on One UI

Though more well known for their OLED displays and advanced cameras, Galaxy phones like the S8, Note 10 & 10+ and S10 series are a force to be reckoned with when it comes to audio. In fact, flagships from the S9 on up feature AKG-tuned stereo speakers, along with a slew of software enhancements that make listening to music a truly pleasurable experience.

How To: Catch an Internet Catfish with Grabify Tracking Links

Featured on MTV's Catfish TV series, in season 7, episode 8, Grabify is a tracking link generator that makes it easy to catch an online catfish in a lie. With the ability to identify the IP address, location, make, and model of any device that opens on a cleverly disguised tracking link, Grabify can even identify information leaked from behind a VPN.

News: What to Expect from Null Byte in 2015

Welcome back, my greenhorn hackers, and happy New Year! Now that your heads have recovered from your New Year's Eve regaling, I'd like to grab your attention for just a moment to preview 2015 here at Null Byte. I hope you will add your comments as to what you would like to see, and I'll try to honor as many requests as I can.

How To: Getting a New iPhone 5? Check Out These 11 Cool and Practical Uses for Your Old iPhone

The new iPhone 5 was just revealed yesterday, and it's 18 percent thinner and just 1/5 the weight of its 4S predecessor. It's also taller with a larger screen, which gives you a fifth row for apps now. As far as speed is concerned, it has a speedy A6 chip and can tap into wireless 4G LTE networks for fast Internet. Both the iSight and front-facing FaceTime cameras were improved, too. The only downside seems to be the tinier "Lightning" connector, which replaces the standard 30-pin connector w...

How To: Use Apple Intelligence's Image Playground to Craft Custom Drawings and Animations for Almost Anything You Can Think Of

Growing up, I was told that hard work could get me anything I wanted. But with Apple's Image Playground, I can create almost any illustration or drawing imaginable just by typing or selecting a suggestion. This groundbreaking feature in Apple Intelligence lets you generate images from simple prompts, opening up exciting possibilities for creativity.

How To: Turn Your Pixel 5's Camera Cutout into a Notification LED

The Pixel 5's beautifully slim and symmetric bezels don't leave much room for extra hardware like a notification LED. But with the Ambient Display feature and an inventive app, you can turn the display cutout for the front-facing camera into an animated notification indicator.

How To: Add iOS 14's New Smart Stack Widget to Your iPhone's Home Screen

One of iOS 14's best new features is the ability to add and stack widgets on your home screen, which lets you check in with your favorite apps without actually needing to open them. Apple takes the concept one step further with "Smart Stacks," where iOS intelligently stacks widgets together based on how you use your iPhone.