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How To: Pick Different Chat Wallpapers for WhatsApp's Light & Dark Modes for Even More Control Over Your Theme

If you're like me, you enjoy using your phone's dark theme at night and light theme during the day. When switching from dark to light and vice versa, many of the UI elements in supported apps adjust accordingly, but you have no control over what does and doesn't change. WhatsApp, on the other hand, does give you some granular control by letting you pick a chat wallpaper for each theme.

How To: Prevent Certain Apps from Using Cellular Data on Your iPhone to Stay Below Data Caps or Avoid Throttling

If you're on a cellular plan with a low data allotment, being thrifty with your data can help you avoid a higher bill. But even if you have an affordable unlimited plan from wireless carriers such as T-Mobile or Verizon, going over a certain amount of data may throttle your connection, leaving you with slow web speeds. One way to prevent hitting these thresholds is to keep certain apps in check.

News: Galaxy Note 20 vs. iPhone 11 Pro: Comparing the Mid-Level Flagships from Samsung & Apple

After the iPhone X eclipsed the $1,000 mark, phone prices skyrocketed. Android OEMs like Samsung started putting out phones in the same price bracket that were crammed with expensive parts. To appease the folks that didn't want to drop over a grand on even the nicest phones, a new segment was created with devices that are still in the flagship tier, but not top-of-the-line.

How To: Get Started with Kali Linux in 2020

Kali Linux has come a long way since its BackTrack days, and it's still widely considered the ultimate Linux distribution for penetration testing. The system has undergone quite the transformation since its old days and includes an updated look, improved performance, and some significant changes to how it's used.

News: 22 New Features in iOS 13.1 for iPhone You Won't Want to Miss

Apple released iOS 13.0 on Sept. 19 and announced on the same day the release of iOS 13.1 on Sept. 30. But that deadline was pushed up to Sept. 24, and that's why we have 13.1 just five days after 13.0. But that's good news since we don't have to wait any longer for some of the features promised in iOS 13 that didn't make the first cut.

How To: Scan, Fake & Attack Wi-Fi Networks with the ESP8266-Based WiFi Deauther

The price of hacking Wi-Fi has fallen dramatically, and low-cost microcontrollers are increasingly being turned into cheap yet powerful hacking tools. One of the most popular is the ESP8266, an Arduino-programmable chip on which the Wi-Fi Deauther project is based. On this inexpensive board, a hacker can create fake networks, clone real ones, or disable all Wi-Fi in an area from a slick web interface.

Hands-On: Snap's Non-Creepy, Fashionable Spectacles Wearable Camera Proves We're Ready for Mainstream AR Smartglasses

The year 2018 was a rough one for Snap, the company behind the Snapchat app and the Spectacles wearable camera device. From executive departures to reports of slowed user growth, the company that once spurned Facebook's multibillion-dollar advances is now facing a moment of truth as it stares down its uncertain future.

Wish List: 21+ Features iOS 12 Should Definitely Have for iPhones

Apple's next big developer event happened on June 4, and it was the first glimpse of iOS 12 that anyone's seen. While there were lots of rumored features to be unveiled at WWDC 2018, Apple concentrated mostly on squashing bugs and making iOS work as seamless as it did years ago. Still, we had hoped that Apple would have added these features in iOS 12, but only a few made the cut.

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.

How To: Use Kismet to Watch Wi-Fi User Activity Through Walls

Your home has walls for privacy, but Wi-Fi signals passing through them and can be detected up to a mile away with a directional Wi-Fi antenna and a direct line of sight. An amazing amount of information can be learned from this data, including when residents come and go, the manufacturer of all nearby wireless devices, and what on the network is in use at any given time.

How To: Prank Your WhatsApp Friends by Sending 100 Messages in Only 1 Second

When I got my first smartphone, it didn't take long before my friends and I created a game that we liked to call "Paste-Send." You see, instead of having to use T9 to type out text messages, the touch-based interface made copying and pasting incredibly easy. So that meant we could copy a piece of text, then paste it into text messages in rapid succession to text bomb the annoyed recipient. It was all in good fun, of course, and it usually evoked a stream of swear words from the guy on the oth...

How To: All the Best Black Friday Electronics & Gadget Deals of 2013

This year, like every year before it, Black Friday sales are starting earlier than ever. A lot of stores will be opening their doors as early as 5pm on Thanksgiving to get a head start on the madness (and it really is madness). As we've discussed in the past, one of the keys to emerging victorious on Black Friday is to plan, plan, plan. So, we've compiled some of the best deals in tech, gadgets and appliances to help you prepare for battle.

News: iOS 14.4 Public Beta Available for iPhone with More App Clip Experiences, Tracking Requests & New Modem Firmware

The iOS 14.4 developer beta was pushed out a day ago, and now the iOS 14.4 public beta is out and ready for your iPhone. At first glance, there's not much to look at in the new beta release, and it's not yet known if it lays out the groundwork for missing features such as 5G data with dual SIMs, shared third-party app subscriptions, and Xbox Core Controller.

How To: Bring Back the Squeeze Gesture for Google Assistant on Your Pixel 5 — No Root Needed

The Pixel 5 is a bit of a departure from previous Pixels. Gone are the Pixel 4's Soli-based Motion Sense gestures, the Pixel 3's dual front-facing speakers, and the glass back panel of previous generations. But perhaps the most notable omission for long-time Pixel users is the lack of a squeeze gesture to trigger the Google Assistant.

News: Apple Watch vs. Fitbit — What's the Best Bang for Your Buck?

In the case of Apple Watch v. Fitbit, the winner comes down to the judge at hand. Apple currently offers two smartwatches — the Series 5 and the Series 3 — while Fitbit offers three models — the Fitbit Versa 2, Fitbit Ionic, and Fitbit Versa Lite. Whatever your assumptions about these devices are, throw them out the window, as each has something unique to bring to the table.

How To: The Best Phones for Watching Movies & TV Shows — Under $500

You might think you need to buy a thousand dollar phone to get a great experience while streaming movies and TV shows from services like Netflix, Hulu, and YouTube, but that's just not true anymore. While phone prices keep rising and the midrange segment now ranges from $300–$500, there are still cost-effective options that come with top-notch displays and media features.