Use an Old Laptop Battery for Other Things

If you're ever lost or hurt out in the middle of nowhere with a dead cell phone, you might be able to "flag" down help as long as you're near some railroad tracks. Some train tracks carry a small electric charge as a means of detecting other trains for signaling or for detect ...more

Chrome apps and extensions are powerful tools for students: they can help optimize your web browsing experience by helping you take notes, check your grammar as you compose documents and emails, and even help you squeeze a little more juice out of your laptop's battery by free ...more

Ready or not, the USB-C cable is about to take over your electronics. The new industry standard is fully reversible and packed with enough power to serve as a laptop charger or an HDMI cable, so it actually has the potential to replace every cord, wire, and connector in your ...more

Considering that nearly half a million brand new apps were published to the Google Play Store in 2015, you can definitely call it a banner year for Android development. In fact, it's getting to the point where we're a bit spoiled as end users, since we've grown to expect somet ...more

Hello! This is my first post on this awesome website! I know that Windows exploits are less common than the more advanced hacks, but I found something I deem pretty cool and figured why not share it with you all. Alright, enough about me, lets begin. Warning: This resets your ...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

You're at your friend's house. All you've heard about all day is his new laptop. He's got a brand new top-specced MacBook Pro, and he won't stop going on about it. It particularly annoys you as all you've got is a 4 year old cheap laptop, even if it is running Linux. If only ...more

Windows 10 is officially here, and frankly, there's a ton of new features in Microsoft's latest operating system. From the return of the Start menu to the new Edge browser, Windows 10 can take some getting used to. Luckily, we've done a lot of the leg work for you, and what f ...more

As is the case with most software updates, Android 5.0 brought changes that were viewed by users as somewhat positive and somewhat negative. This generally happens because we're accustomed to the old way of doing things, and changes, no matter how useful, can slow us down. Bu ...more

Does your Samsung Galaxy Note 3 feel slower than it used to? Background processes, cached files, malicious applications, and buggy updates can all lead to a sluggish smartphone. It's just what happens over time. However, with just a few simple adjustments, you can significant ...more

Big bad Apple recently announced its next iterations of iPhones and the world went crazy—as usual. Displaying an array of cool colors and futuristic features, the new iPhone 5S and 5C will both be rocking iOS 7, a sleek, modern operating system that gets rid of the old icons a ...more

"What is dead may never die." That's easily one of the best lines (and episode title) from HBO's Game of Thrones series. While the saying may ring true for the Ironborn, it's not quite as catchy when it comes to batteries. Lithium-ion batteries power tons of consumer electron ...more

HTC's Sense 4 may be leaner and faster than previous versions, but one thing my EVO 4G LTE sorely lacked was the "Quick Settings" option that Sense 2 and 3 had. Developers were able to port it to Sense 4 for Android 4.0 (Ice Cream Sandwich), but the only way to get this featur ...more

The battery in the Samsung Galaxy S4 may pack 500 more milliamps per hour than the old S3 battery, but that doesn't necessarily mean more battery life. High-powered devices need lots of juice, and the S4 is definitely more powerful than its predecessor. The new battery can han ...more

We've all been there. Your phone's either dead or barely hanging on with a few minutes of life left, and you only have a small window of time to charge it before you need to head out. Sure, you can charge it for the few minutes you have, but what's the point if your device is ...more

Welcome back, my hacker novitiates! Like in my last article on remotely installing a keylogger onto somebody's computer, this guide will continue to display the abilities of Metasploit's powerful Meterpreter by hacking into the victim's webcam. This will allow us to control t ...more

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 wire ...more

When you're working, in class, or just browsing the internet away from an outlet, the last thing you want is to string your devices along with a portable charger that can't recharge them as fast as you need. The Ultimate Charger: Portable Multi-Device Power Bank is exactly wha ...more

Up until April 2020, the iPhone XR was, for many new users, the first entrance into the world of Apple because it was the cheapest iPhone model since the original iPhone SE. Now, the second-generation iPhone SE has shown up at the same initial starting price as its predecessor ...more

Smartphone technology has become as ubiquitous as automobiles. In Austin, Texas, a city that is widely known as the "Live Music Capital of the World," smartphones have been embraced by the music community not just as a way to document and promote, but to create music. A rock ...more

Late last year, we got a little surprise from Razer. The gaming company released its first smartphone, and as expected, it targeted gamers. Branded as a gaming phone, it started a trend which several other companies followed soon after, including ASUS, Xiaomi, and even Samsung ...more

The next big iOS version for iPad, iPhone, and iPod touch was revealed by Apple at WWDC 2018 and dropped for everyone on Sept. 17, 2018, less than a week after Apple revealed the new iPhone lineup. We've rounded up all the big picture items and secret features and changes we c ...more

Look, tests are no fun, and doing poorly on them is rarely an option. Whether you're studious or a slacker, everyone needs a little boost now and again. While students have found ways to cheat as long as tests have existed, the invention of smartphones has greatly enhanced the ...more

It wasn't Christmas, but for Amazon Prime members, it was darn close: Amazon Prime Day, one of the biggest shopping days of the year, came and went earlier this week. Unfortunately, there weren't many Prime Day-specific deals to be had for augmented reality fans, but that does ...more

Starting Nov. 1, 2018, Google got a lot tougher with Android app developers. New apps being uploaded to the Play Store already had to target Android 8.0 Oreo or higher as of August, but now, every update to existing apps has to do the same. It may seem like a simple rule, but ...more

One feature in iOS you're likely underutilizing is 3D Touch, a highly useful, unique tool for iPhones ever since it first appeared on the iPhone 6S. Apple's pressure-sensitive interactivity gives iOS an extra layer of functionality, which can be clearly seen across the entiret ...more

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 e ...more

Samsung has legions of loyal fans, and for good reason — their Galaxy S lineup ticks so many boxes that it would be a downgrade to switch to any other phone. Though if you're still rocking an older model like the Galaxy S7 Edge, the all-new Galaxy S9 can tick all the same boxe ...more

There's nothing more fun than unlocking a hidden Snapchat filter or lens and beating everyone to that perfect first selfie. So when a new filter or lens comes out, like the current Uganda Knuckles one, it's always interesting to see how things will turn out. You never know wh ...more

Surveying a target's Wi-Fi infrastructure is the first step to understanding the wireless attack surface you have to work with. Wardriving has been around since the '90s and combines GPS data and Wi-Fi signal data to create accurate, in-depth maps of any nearby Wi-Fi networks ...more

In five short years, three generations of ultra-low-cost Raspberry Pi devices have challenged the boundaries of what a person can do with a $35 computer — especially with Kali Linux. With each Pi more powerful and cheaper than the last, the addition of the Pi Zero in 2015 too ...more

Considering how much smartphones cost in the first place, we're understandably reluctant to throw them out when we've bought a newer model. And this is probably the best practice, too, as there are many great uses for an old Android device. Don't Miss: Turn Your Old Android i ...more

Whether you're performing a factory reset to get your device ready for sale or trade-in, or you're wiping your device in the hopes of fixing software issues, there's a right way and a wrong way to go about it. Sure, it seems like a simple task on the surface, but if you're not ...more

There's no doubt you've heard the old saying, "When life gives you lemons, make lemonade." The phrase was penned in an obituary to a dwarf actor in 1915 by an anarchist named Elbert Hubbard, who lost his life five months later aboard the RMS Lusitania when it was torpedoed by ...more

Hello, Null Byte! Mkilic here. I doubt anyone knows I even exist on Null Byte, so hopefully this post will allow me to become more involved in the community and also help me learn even more. This project is somewhat similar to OTW's article here, and pry0cc's here, in which b ...more

Heads up! We've done a new, more thorough review of the best Android file-sharing apps. You can check that out here. Our old file-sharing app roundup can still be viewed below for posterity. Update: The 4 Best File-Sharing Apps for Android (2018) We've come to a point where ...more

Apple just showed off iOS 9 and its new features at WWDC 2015, including multitasking support for iPads (finally!), a new Low Power Mode to save battery, local area search and transit directions in Maps, a highly improved "Proactive" Siri, a better Spotlight search, new apps, ...more

We all carry a bit of anxiety around with us. Is our boss still annoyed because we could barely stay awake in yesterday's pre-dawn meeting? Will our friend hate us forever because we forgot to call them back two weeks ago? Whatever worries pop up in your mind, whether they're ...more

It's one hell of a device, but the Samsung Galaxy S5 is still susceptible to the many hazards that other smartphones are prone to: theft, cracked screens, poor battery life, and particularly, overheating. If your Galaxy S5 is burning a hole in your pocket—and it's not from yo ...more

HTC's Sense 6 has been out for over a month now with the One M8, and most of you have probably played around with its better known features, like the new Camera app and Harman Kardon audio. As great as those features are, there is still much more to be found underneath the su ...more

The older I get, the more my Friday nights involve watching Netflix at home with a bottle of Maker's Mark and a box of Oreos. Netflix is a big part of my life, and I'm not alone. YouTube and Netflix make up over 50% of all activity on the Internet, so it might be worth your ti ...more

HTC's recent release of a new flagship phone brought tons of fanfare along with it. Dubbed The All New HTC One, the M8 edition of the popular One series phone also marked an update to the HTC Sense UI. Manufacturer skins like Sense can be a bit of a polarizing subject, especia ...more

There are a lot of things your Samsung Galaxy Note 2 can do straight out of the box, but there's also a ton of things it can't, or simply could be better at. That's why most of us end up rooting—to enhance the mobile experience. Today, I'll be showing you some of my favorite ...more

I've been playing around with iOS 7 for a while now, and for the most part, I dig it. It's a nice update for a stale OS, and there are a lot of great new features. But like any good piece of tech, there are a few things to be disliked. Some of these are big issues, and some co ...more

Dropbox lets you store anywhere from 2 GB to 18 GB of data for free, but if you want more cloud storage you're going to have to pay. Even if you do, Dropbox only gives you 500 GB for a pro membership. So how do you get more cloud storage without paying a dime? Start using Flic ...more

When the power goes out, having the ability to contact others becomes extremely important, and your cell phone can be one of the most important tools to have. But if the power is out for an extended period of time, battery life becomes a constant problem. Without the ability ...more

MAC addresses (not to be confused with Macs) are unique identifiers assigned to network devices in order to access the internet. Hotels use these Mac addresses in order to check if a registered patron has agreed to their terms and conditions, how much bandwidth is being consum ...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

Streaming movies and TV shows on phones is more popular today than ever, but what about when you're on a plane, have a limited data plan, or will be in a no-service area? You'll want to download your movies and TV shows instead. While Netflix is excellent, you can't rent or do ...more

When I review apps, I'll oftentimes end up downloading at least one or two "bad" apps that either lied about their functionality or were riddled with ads. These apps, while not as harmful as malware, can still be a major headache. This got me thinking about the other bad apps ...more

There's always an iPhone in our list of top phones for privacy and security, due in large part to advanced security measures like Face ID, consistent iOS updates, and easy ways to prevent unwanted access and excessive data sharing. However, some of those options actually do th ...more

One of the most popular usages of modern-day smartphones is listening to music. It doesn't matter if you download or stream your tunes, you are part of a massive group of users who do exactly the same. While statistics are a bit foggy on how many smartphones users download mus ...more

Your iPhone is full of features, many of which you might not even know about yet. Still, Apple keeps adding feature after feature with each new iOS update, and iOS 14.5 is no exception. The latest iOS version adds at least 69 features for your iPhone that you should be happy a ...more

The iPhone doesn't stop at last year's excellent iPhone 12 lineup. Apple's been developing its iPhone 13 models for a while now, and there are a lot of rumors already with eight or nine months still to go until a release. This year, we're expecting four new models with similar ...more

If you want to control electronic devices, such as a relay or motor, you can do so using MicroPython with an ESP8266 and web browser. Usually, you'd program an ESP8266 using Arduino, but C++, which Arduino uses, is not always the easiest programming language for beginners to l ...more

The 2020 iPhone SE had been through the rumor mill for a long time, but Apple finally unveiled the second-generation iPhone SE on Wednesday, April 15. While it doesn't sport the 4-inch design of the original SE, it combines a small form-factor with modern specs. The big questi ...more

Are you thinking about upgrading your iPhone this year? Apple sure wants you to. Of course, that's no different than any other year, but Apple really wants you to upgrade this year. How do we know this? The rumors point to not three, not four, but five brand new iPhones in 202 ...more

So you can't figure which one to buy. It's understandable. Apple released three iPhones, each designed for a different segment of the market. But which one is right for you? The iPhone 11, iPhone 11 Pro, or iPhone 11 Pro Max? That's a good question. We recommend checking out ...more

If you've ever used the Find My iPhone and Find My Friends apps in iOS 12 and below, you may be surprised to hear that those apps have joined forces in iOS 13. Now, instead of two separate apps, they're combined into one convenient package. But what does that mean for you and ...more

Samsung has just announced the Galaxy Note 10 and 10+. These are the latest and greatest from the largest smartphone OEM in the world. Plenty of numbers and specs have been thrown your way to showcase how good the Galaxy Note 10 is, but we wanted to simplify all this for you a ...more