Restore Windows Xp to a System Restore Point

As if you needed another example of Android's open-source awesomeness, before the Pixel phones were even released, a flashable ZIP that will give you almost all of Google's Pixel-exclusive features on other devices appeared. Well, this ZIP is still very much relevant now, and ...more

Welcome back, my fledgling hackers! Hacking has a long and storied history in the U.S. and around the world. It did not begin yesterday, or even at the advent of the 21st century, but rather dates back at least 40 years. Of course, once the internet migrated to commercial use ...more

Cellular carriers like to nickel-and-dime us out of every bit of money they can feasibly justify, so as consumers, we owe it to ourselves to make sure that we're getting our money's worth. There are several under-advertised freebies and discounts that come included with a con ...more

Before you sell or give away an old iPhone, Find My iPhone, which works in conjunction with Activation Lock (Apple's anti-theft system) needs to be deactivated from your iCloud account. This also applies if you've lost your passcode and are locked out of the device, if you're ...more

Those of you who have been a part of the Null Byte community for even a short while know that I sincerely and firmly believe that hacking is the most important skill set of the future. To further emphasize how important our skill set is, knowledgeable estimates put the potent ...more

NANDroid backups are one of the best reasons to root your Android device and install a custom recovery. They're essentially a snapshot of your phone's entire operating system and all installed apps, so if you ever screw something up when installing a flashable ZIP or custom RO ...more

Apple's unveiling of the iPhone 6S, iPhone 6S Plus, Apple TV, and iPad Pro dominated the news today, but at the end of their special September 9th event, they quietly released the final version of iOS 9 to developers, called the Gold Master (GM) build. Don't Miss: The Coolest ...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

Performance boosters generally get a bad rap, but that doesn't mean they should all be dismissed—particularly when they're as well thought out as the latest work from developer Danijel Markov. After recognizing a few inefficiencies in the way Android handles memory management ...more

CyanogenMod continues to be the most popular custom ROM for a good reason. Their team of developers always stay on top of the latest trends, and ensure that their software is packed with nice tweaks and awesome features. One such feature is an audio equalizer that allows you t ...more

Sony has a gorgeous line of smartphones using the moniker "Xperia," and the latest and greatest model is the Z3. The firmware for the Xperia Z3 was just updated to Android Lollipop, and many system apps of course got tweaked and refreshed with this latest version. One such ap ...more

The AMOLED display on the Nexus 6 wastes no power to show black pixels. This is because pixels on such a screen emit their own light, and black can be easily achieved by simply not lighting any given pixel. But with Android Lollipop's bright and colorful motif, black pixels a ...more

When installing flashable ZIPs and custom ROMs, we always hear the same old adage: "Make a full NANDroid backup first." Trouble with this is that you don't always need an entire system backup, since many mods only apply to specific folders on your device. And while custom reco ...more

Android Lollipop's new Material Design interface does its best to strike a delicate balance between intuitiveness, usability, and aesthetics. For some folks, though, the use of a lighter color palette throughout the interface disrupts this balance. If Lollipop's white backgro ...more

There's a common bug that affects many Samsung Galaxy S5 users, myself included. The software that drives the fingerprint sensor can randomly fail to load, leaving you without one of the most unique features of your beloved smartphone. When this happens, any attempts to use o ...more

The vague 90-day release window for CyanogenMod 12 has done nothing to stop my craving for Lollipop on my OnePlus One. Luckily, there are other "unofficial" means of getting my hands on it. Since CyanogenMod still gives users a way of building their own variants of their ROM, ...more

There are a lot of great new features in iOS 8, but not everyone is enjoying them. Some of you may just genuinely prefer iOS 7 over iOS 8, and some of you may be experiencing lag on older devices like the iPhone 4S, however minimal it may be. Whatever the reason, if you don't ...more

iPad, iPhone, and iPod touch owners: it's that time again. iOS 8 has been released to the public, and those who have been eager to update since Apple's WWDC announcement won't have to wait any longer. Since iOS 8 promises to pack a bunch of new, really great features, it's tim ...more

These days, most of the hardware components in smartphones evolve at a breakneck pace. Batteries gain capacity while decreasing in size, displays continue to get sharper as graphics rendering steadily improves, and processors clock higher speeds at every generation. Audio qua ...more

With popular remote desktop app LogMeIn recently ending its free service, lots of Android users have begun looking for alternatives. There are some good ones out there like TeamViewer and Microsoft Remote Desktop, but today, Google released an app that makes a pretty good cont ...more

When you enter the softModder realm by rooting your Nexus 5, you open up an exciting world of possibilities and deep customizations for your device. Among other things, it gives you the ability to flash custom ROMs which, individually, act as entirely different operating syste ...more

At some point, we all need to back up our device. Maybe it's time to take it in for repairs or maybe you're just cautious and paranoid. Maybe you're trying out a new ROM on your Nexus 7—then you definitely need to back up. The most secure way would be to use a custom recovery ...more

Sometimes, it's very useful to be able to use more than one app on Android phone or tablet. For example, if you want to watch a movie while surfing or if you need calculator, find some contact, write a note, search web or wikipedia for some facts, etc. Fortunately, this is pe ...more

Google's long awaited 4.3 Jelly Bean update is officially out, only it has not been pushed out to some of our Nexus 7 tablets yet. Although there aren't really any new UI changes, most of Jelly Bean 4.3's magic is under the hood, meaning user's can expect better performance an ...more

These days, we increasingly have more and more devices in our everyday possession. While a notebook computer, a tablet, and a smartphone may seem like overkill, they do work to make our lives easier and even help reduce clutter in certain ways. A single one of these devices c ...more

All of my hacks up to this point have been operating system hacks. In other words, we have exploited a vulnerability usually in an operating system service (SMB, RPC, etc.) that all allow us to install a command shell or other code in the target system. As I have mentioned nu ...more

Smartphones are inherently bad for privacy. You've basically got a tracking device in your pocket, pinging off cell towers and locking onto GPS satellites. All the while, tracking cookies, advertising IDs, and usage stats follow you around the internet. So no, there's no such ...more

The triple camera system on the OnePlus 7 Pro is the best setup they've ever done so far, but it could always be better. The primary sensor packs a whopping 48 megapixels, but as history has taught us, megapixels don't equal better photos by default. In fact, with where we are ...more

Since the San Bernardino shooting in 2014, Apple's been engaged in a game of cat and mouse with law enforcement. Authorities want access to evidence on criminals' iPhones, but Apple wants to protect all of its customers' personal data equally. The latest installment in this sa ...more

With the iPhone 8, 8 Plus, and the exclusive iPhone X, Apple has come full circle in transitioning its users away from the home button present since the first iPhone a decade ago. This gives us a window into Apple's design philosophy moving forward, but it also presents some n ...more

When a new jailbreak method comes out, Apple is quick to patch the vulnerability it exploits by issuing a new iOS update. If you were to accept such an update, you'd no longer be able to jailbreak your iPad, iPhone, or iPod touch unless you could roll back your firmware to a v ...more

The squiggly guys in this article's cover image are Propionibacterium acnes. These bacteria live in low-oxygen conditions at the base of hair follicles all over your body. They mind their own business, eating cellular debris and sebum, the oily stuff secreted by sebaceous glan ...more

Sometimes you need a password to gain access to an older running Windows system. Maybe it's a machine in your basement you forgot about or a locked machine that belonged to a disgruntled employee. Maybe you just want to try out your pentesting skills. When you need to access ...more

Welcome back, my greenhorn hackers! The Holy Grail of any hacker is to develop a zero-day exploit—an exploit that has never been seen by antivirus (AV) and other software developers, as well as intrusion detection system (IDS) developers. In that way, you can exploit systems ...more

When it comes time to sell your smartphone or trade it in for your annual upgrade, you'll have to make sure that all of the sensitive data the device accumulated while you owned it is properly erased so that no one else can access it. This process is referred to as a "Factory ...more

UPDATE 11/17/15 The Xposed Framework now officially supports Android 5.1 through 5.1.1 Lollipop devices as well. Everything will still work the way it has with Android 5.0 through 5.0.2, but there are a separate set of files for the newer Android version. I'll cover both belo ...more

Most Android devices allow you to simply replace a ZIP file in your /system/media folder if you want to change your boot animation. Unfortunately, though, this isn't the case for the Galaxy S5, as it's been buried deep in Samsung's TouchWiz skin. Previously, the process of ch ...more

HTC has made it their mission to get updates out to its devices as quickly as possible, with new builds slated for release 90-days after Google finalizes a build—this is dubbed HTC Advantage. After Google I/O, the company announced they would have the Android L version of Sen ...more

Transition animations are an essential element of any mobile operating system. They give the user a sense of what's happening on the screen, where the apps are coming from, and where they're going. The stock transition animations on the Nexus 5 are some of the most boring one ...more

You've unlocked your bootloader and rooted your HTC One running KitKat, but there's still one lingering aspect of security you've yet to rid yourself of—S-On—the extra security measure HTC implemented into Sense. S-Off stands for Security Off and allows you to update your One ...more

Okay, so you're rooted and need to return your Nexus 5 to its stock firmware. Whether it's because you need to send your phone in to the manufacturer to fix a defect or you just want to use the device's over-the-air updating feature, unrooting and returning your Nexus 5 back t ...more

Whether you have the original Nexus 7, or the 2013 Nexus 7 tablet, rooting it will give you access to tomorrow's features, today. Sure, without root there's lots you can use it for. It's helped me get out of bed, became my own personal bartender, and a lot more. But with a r ...more

Welcome back, my greenhorn hackers! After the disaster that was Windows Vista and the limited and reluctant adoption of Windows 8 and 8.1, Windows 7 has become the de facto standard operating system on the desktop/client. Although the most valuable information to the hacker ...more

For new Android users, rooting an Android phone can often be an intimidating process, especially since there are so many different ways to gain root access, depending on your model and firmware version. I've previously covered a way of doing it for the AT&T version of the Sam ...more

The new Samsung Galaxy S4 just received an update to Android 4.2.2, so why is it that my Galaxy Note 2 is still running an older version of Jelly Bean? It felt like yesterday that my device was finally updated to 4.1.2, but why even bother since 4.2 has been around since last ...more

Why is transferring contacts from an old smartphone to a new one still insanely difficult? I can check my bank account, upload a picture to Instagram, email someone across the globe, and check the weather forecast on my phone—all in under five minutes. So why does transferrin ...more

Need root on your Samsung Galaxy S3? Phone not getting the Jelly Bean update? Stuck on the Samsung screen? Phone bricked? Need to restore back to stock? Odin can help! What is Odin? Odin is a Windows-only program, designed by Samsung themselves, used to root, flash, upgrade, ...more

Apple released the second developer beta for iOS 14.5 on Tuesday, Feb. 16. The update comes 15 days after Apple seeded developers the first 14.5 beta, which included a slew of new features such as default music app support, compatibility with PS5 and Xbox Series X controllers, ...more

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 featu ...more

Apple just released the first beta for iOS 14.2 to iPhone software testers today, Monday, Sept. 21. This update brings a new Control Center tile for Shazam music recognition, a redesigned Now Playing Control Center tile, and a new "People Detection" feature in Magnifier. A si ...more

Just days after Google released the official Android 11 update, Samsung already had a pre-beta build of One UI 3.0 available for developers to test their apps on. So this year's main OS upgrade is likely hitting Galaxy phones even earlier than we thought. Some features in the ...more

Apple's iOS 14 is here. With it, you'll see over 200 new features and changes hit your iPhone, including home screen widgets, inline replies in Messages, and cycling routes in Maps. Here's how you can get your hands on the brand new update. Apple released iOS 14 to compatible ...more

You've just picked up your new Samsung Galaxy S20, S20+, or S20 Ultra — but wait. After you turn it on and restore your data, there a few apps you should install to get the most out of your updated phone. Installing these eight apps right away will help maximize your experienc ...more

Hot on the heels of all the talk about Google's newest Android Q update, known as Android 10, there's a new beta to check out. OnePlus is one of the many partners that can now offer its users a chance to test the latest version early. That means you can install the newest Andr ...more

Apple's goal with iOS 12 is to smooth out the problems with its famously flawed predecessor. Of course, change isn't for everyone, and by iOS 11.4.1, Apple had a pretty stable thing going. If you're not digging all the bugs and new features included in iOS 12, here's how to do ...more

Before, the only way to really tell how your iPhone's lithium-ion battery was performing was to use tools such as Geekbench and Battery Life, but now Apple has included some quick battery health checks right into iOS 11. This feature is only available starting in iOS 11.3, so ...more

One major problem in previous iOS versions is that there was no way to keep messages in sync between an iPad, iPhone, iPod touch, and Mac. If you deleted a message in the Mac app, it would not be deleted on your iPhone, and vice versa. Apple finally fixed this issue in iOS 11. ...more

So you spent all day customizing your phone. You tinkered with all the settings, searched the web high and low for the perfect wallpaper, and found an ideal icon pack to complement the color scheme. You go to sleep, proud of the work you accomplished when the unspeakable happe ...more

When you have an infection, a doctor prescribes antibiotics to make the bacteria that causes it disappear. Sounds like a good idea, but the disappearance of microorganisms that have inhabited humans for millennia could be driving rising numbers of serious illness and debilitat ...more

The newest version of Apple's mobile operating system, iOS 10, has been out for about a month now. But like every year beforehand, some of you who updated will not be happy with the latest and "greatest" iOS version. If that happens to be the case for you, you've still got a ...more