Hot Gadget Hacks How-Tos

How To: Block RFID Signals, Build an RFID Reader Detector, and Make Custom RFID Tags

RFID chips are everywhere. They're in passports, credit cards, and tons of items you've bought in the last 5 years or so. Big retailers like Walmart started using tracking products with RFID as early as 2004, and today, they're used in everything from mobile payments to hospital record systems. Chances are, unless you're a hermit (in which case you wouldn't be reading this anyway), there's an RFID tag within a few feet of you. Photo by sridgway

How To: Delete your Facebook account

In this tutorial, we learn how to delete a Facebook account. First, log onto the internet and log into your Facebook account. Once you are logged in, you will be presented with your home page. Now, click on the account settings on the right hand side and find the button that says you want to cancel your account. Once you have confirmed you want to cancel your account, Facebook will send you an e-mail that asks you to confirm it one last time. After you are done with this, your account will be...

How To: Downgrade from Windows 7 or Vista to Windows XP

Learn how to downgrade and install Windows XP from Vista. You will need a Windows XP disc, a computer, and CD/DVD drive, backup of all files. Be sure to backup all the data before doing this Windows XP will not save your files. Insert your Windows Up disc. Then in the screenGo to devices->CD/DVD devices->Host drive D.Make sure your computer sees the disc. From start menuGo to computer->CD drive D from devices with removable storage. And select run setup.exeThen vista will die and restart your...

How To: Silence the ring on your iPhone

This quick video shows you how to silence the ring on your iPhone in a few simple steps. When a call comes in, all you have to do is just push the sleep button once to silence the ring. If you want to send the call to voicemail, push it twice. You can turn off all sounds with the silent ringer switch.

How To: Build a simple Van de Graaff generator

Want to build a Van de Graaf electrostatic generator? Who doesn't! This video tutorial will show you how. To follow along at home, you'll need the following items: a rubber band–the longer the better–, a small motor, a small glass object like a Christmas tree light, and some type of plastic roller. For simple, step-by-step instructions, watch this Van de Graaf-buildin' how-to.

How To: Unlock the Bootloader on Your Pixel 3a

The first thing you'll always have to do before getting your customization game on with most phones is to unlock the bootloader. Doing so opens the true potential of the device, allowing you to root, install TWRP, Magisk, custom ROMs, and other mods. No matter your wants or needs, there's no way around it — the bootloader must be unlocked to modify the system.

How To: Use Google Maps or Waze with Siri Instead of Apple Maps

When driving, you can get directions hands-free by asking Siri. You can also make general map searches, show a location's details, call a query's phone number, and view traffic details. However, Siri defaults to Apple Maps for all those. If you prefer Google Maps, Waze, or another third-party navigation app, the map-based Siri commands won't work. But that doesn't mean you can't still use Siri.

How To: Everything You Can Do with the Camera Control Button on Your iPhone 16 or 16 Pro

The devices in the new iPhone 16 series lineup have one feature no other iPhone models have: a physical Camera Control button. If you use your iPhone to take photos or record videos, the Camera Control speeds up the process and gives you immediate control over adjusting settings and values using intuitive gestures. But what exactly can you do with it?

How To: Resize Widgets on Your iPhone's Home Screen on iOS 14 Through iOS 17

Home Screen widgets come in various sizes on iOS 14 and later, and which size you choose will depend on how much content or data you actually want to see. But what happens when you pick the wrong widget size? In a perfect world, you would just edit the current widget's settings, but Apple didn't make it that easy.

How To: Transfer Your Authy Account to a New Phone

One of the main reasons Authy was able to top our list of the best two-factor authentications apps was its ability to transfer access to a new device. This feature ensures that whenever you get a new phone, you don't lose all your tokens. However, if the process is done incorrectly, you can leave your account vulnerable.

How To: Add Foreign Language Dictionaries to Your iPhone to Look Up Definitions Faster

The native dictionaries in iOS, which have been around since 2011, let you define words on your iPhone on the fly in Safari, News, Notes, and other apps. But if you read or write in more than just English, you won't be able to see accurate definitions unless you add those other languages to your list of dictionaries manually.

How To: This Shortcut Lets You Download YouTube Videos on Your iPhone Straight from the Source, No Shady Services Needed

If you've ever wanted to download YouTube videos directly to your iPhone, there's an easy solution — just update to iOS 12 and install Apple's new Shortcuts app. With the Workflow-replacement app, you can add a shortcut that lets you download any YouTube video you want, without needing to jailbreak or use shady third-party tools.

How To: Unroot & Revert Your OnePlus 5 or 5T to 100% Stock

To please those of us who love to mod and root our Androids, OnePlus has made both the OnePlus 5 and 5T relatively easy to customize — so much so that the 5T topped our list for the best phones for rooting. Unfortunately, unlocking the bootloader and using root to modify the firmware on your OnePlus 5 or 5T makes it hard to update to a new firmware such as Oreo when compared to stock.