Phone Number Trick

I will guess your phone number and age in one minute. Video: .

If you've ever found yourself wandering about a room, holding your phone up to the sky searching for a signal, this is just the trick for you. Edward from Redmond Pie found a great way to configure the readout with just a simple phone call, making your iPhone display its exact ...more

If you need to call someone back in a hurry, don't bother redialing the number. In fact, don't bother digging through your phone app to tap on the number in the call log. Instead, use this simple trick to quickly redial the number, whether you have an iPhone or Android. Open ...more

Prank Calls, Masked NumbersWho is calling your phone or your child's? Pranksters use a lot of tricks to make sure they can get on your nerves. Being able to trace prank calls is important because you're not going to learn much from your Caller ID, since most prank callers use ...more

Facebook really wants your phone number, nagging you for one as soon as you join. This isn't all bad since it can help secure your account with two-factor authentication. On the flipside, this makes it easy to reveal the private phone numbers of virtually anyone on Facebook, i ...more

Caller ID is great to have, but there are certain situations where you don't want the person you're calling to have your number. People who sometimes use their personal phones for work may not want clients knowing where to reach them outside of work, and anytime you're dealing ...more

Spoofed phone calls originate from one source that's disguising its phone number as a different one, and you probably get these calls all the time. Maybe they're numbers from your local area code or for prominent businesses, but the callers are just hijacking those digits to f ...more

One of the most useful new features in iOS 7 is the ability to block phone calls, FaceTime calls, and text messages by blocking any phone number. Whether you've got a stalker, a crazy ex, a harassing bill collector, or just too many telemarketers, this new feature makes it ea ...more

Whether it's your credit card, your parents' new zip code, or a new work phone number, number sequences are everywhere. Sometimes it's important to actually remember them instead of always relying on a smartphone or the internet to remind you. For long number sequences, your ...more

You can add a timestamp to any YouTube video in just a few clicks from the desktop website on your computer but not from YouTube's iOS or Android app. Until YouTube adds a "start time" when sharing videos from the mobile app, you'll have to use one of these workarounds on your ...more

Want to stick it to your mobile carrier by porting your cell number to Google Voice? Now you can! On Wednesday, January 19th, Google Voice began allowing select users to transfer their personal numbers to Google Voice for a one-time fee of $20. Though the feature is still in ...more

The idea behind this prank is two of the guys will go head to head trying to get one girls number and one guys number, both just random people on the street. Sounds simple right? No, they must tattoo the number on themselves right there in the street to make it count. The firs ...more

Every key on a telephone keypad has its own sonic signature, a sort of calling card composed of two distinct tones: one high, one low. While it's easy to tell the difference between the individual pitches in a single row—see, for example, this article on using your cell phone ...more

Phone numbers often contain clues to the owner's identity and can bring up a lot of data during an OSINT investigation. Starting with a phone number, we can search through a large number of online databases with only a few clicks to discover information about a phone number. I ...more

Whenever you make FaceTime audio or video calls from your iPhone, Apple automatically uses your phone number or Apple ID email address as the caller identification. So when someone that you're calling sees the incoming call, they'll see it's from your phone number or email add ...more

When browsing the web, I enjoy my privacy. It's reassuring that I can peruse the internet without the worry of having my activity tracked back to me, allowing me to leave fun, anonymous comments when I get the urge to troll. Anonymity can also be important when sending a mess ...more

With all of the productivity tweaks and usability enhancements that we cover here at Gadget Hacks, it's nice when we come across a unique and noteworthy app that's simply about having fun. This is the case with the latest offering from the development team at Privax. Their ap ...more

As much as you try to safeguard your personal information, you may have made a small mistake by giving your phone number to the wrong entity, and now you're being bombarded with dozens of spam calls every day. To help parse your call log and reject the proper numbers without a ...more

When it comes to digital security, one of the best ways to protect yourself is to use two-factor authentication. Most apps these days support it, including Facebook, a site where the more privacy you can muster, the better. However, of the two 2FA options available for Faceboo ...more

There are tons of situations that require you to give out your phone number, and I think just about everyone has regretted doing so at some point. It can be incredibly convenient to have a secondary or temporary number on hand, so if you don't want to provide your real digits, ...more

Thanks to a newly discovered iOS exploit, a text message can now ruin your day. It will literally cripple your iPhone, and the worst thing is that anyone with a phone that supports double-byte unicode can do it to you. While it initially sounded like bullshit, we tried it out ...more

You can forward your Skype audio calls to your cellphone or landline. This way, you'll still receive calls when you have no Wi-Fi, and you don't have to worry about always being logged into Skype. If you've ever missed a Skype voice call because you weren't on Wi-Fi or becaus ...more

Ever watched Netflix on your phone only to realize an hour later that you forgot to turn Wi-Fi on? That's a whole lot of data used. If you've ever gone over your allotted mobile data limit, you know firsthand how costly your carrier's overage fees can truly be. From that poin ...more

WhatsApp is a very popular messaging app on the Play Store, but unfortunately, tablet users have been left out of all the fun because WhatsApp only works on smartphones—until now. Tech wiz James Nakata wrote up a short guide over in our forum for porting WhatsApp onto a Nexus ...more

When your bootloader is unlocked, your phone shows a screen that tells you the bootloader is indeed unlocked and how software integrity can't be verified. But if you're the one who unlocked the bootloader in the first place, all this message does is slow down the bootup proces ...more

Most of the time, when I’m bored during math class, I play with my calculator to satisfy my boredom. Recently, I've discovered that when multiplying any number by 11, 111, or any number similar to it, that it has a pattern (though I guess everything in math has a pattern). I d ...more

So you dropped your smartphone and the screen cracked. Again. Just the thought of sending it out for repair or buying a new phone is driving you mad. But if it's only the glass that is cracked, and you're a DIY-type with experience disassembling and reassembling gadgets, you ...more

As a preventative measure against exploitation, certain Android applications won't work if your device is rooted. Opening one of these apps that detects root will typically end up with a warning and an inability to access its features, like in the picture below. AS IF! Since ...more

Telemarketers can be as terrifying as a villain from a horror film. Your phone rings with an unknown 800 number, and you immediately fill with a sense of dread. There's no way to get them to stop calling; you imagine the number appearing on your phone at all hours of the day a ...more

Welcome back, my future hackers! After my first tutorial about doxing, I decided I would dive a little bit deeper into the world of social engineering. In this tutorial we will learn some basic social engineering techniques to get into a company building, find out more informa ...more

Near Field Communication, or NFC for short, is a feature that allows our smartphones to wirelessly communicate with other devices over a short distance while using almost no power at all. Think of it like a slimmed-down version of Wi-Fi or Bluetooth that can send a small burst ...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

I know it's a very first-world problem, but I really can't stand it. Email was invented to speed up communications between people across the world, even just across the office, yet when I'm on my super awesome iPhone running iOS 7, I have to go back and forth between my galler ...more

Whether you're wielding an iPhone, iPad, Mac, Android phone or tablet, or even a Windows PC, this little-known secret holds the key to effortless assistance and unwavering obedience. Intrigued? I thought so. Let's say a friend or family member needs the email address of someb ...more

As the third-largest smartphone manufacturer in the world, Apple devices are a constant target for hackers everywhere. While iOS has seen fewer common vulnerabilities and exploits (CVEs) in recent years, iPhones still aren't hack-proof. Fortunately, you can strengthen your sec ...more

It used to be easy to hack tethering—root your device and install a third-party or modded tethering app. But snuck in amongst the changes in Android 4.3, a new data-monitoring service of sorts made its debut. There used to be a time when your data connection was yours. You pai ...more

Time to confess a personal bias: I love Gmail. I think it's the best thing since sliced bread. I try to be impartial when I write about software and online services, but seriously -- of all the free email services out there, why would you use anything else? A quick point of o ...more

HTC is one of the few OEMs that make it easy to unlock the bootloader on their devices. And while they do warn you that doing so voids your warranty, they don't tell you that it also prevents you from collecting promotions that come with their devices. It was recently announc ...more

Apple officially released iOS 12 to everyone on Sept. 17, and while the new iPhone XR, XS, and XS Max will come with the software by default, you have a choice on whether or not to update your current iPhone model from iOS 11. There are a lot of tempting features to want to up ...more