Gadget Hacks How-Tos

How To: Win Paid Apps for Free

If you're a developer looking to get some exposure for your high-quality app, or if you're a user hunting for new apps and would like a chance to win a paid app at no cost, then Jack Underwood's new Promo Codes app may get you there, which you can install for free from the Google Play Store.

How To: Make an SMS Intruder Alarm

This tutorial shows you how to create an intruder alarm that sends you text message alerts when motion is detected. This may sound complicated but I am pretty confident any beginner with electronics should be able to do this just fine. The range sensor senses motion and tells your Arduino board to send the text (SMS). So you can leave the intruder detector at home, connected to your network, and still receive the SMS alerts, no matter where you are, as long as you have cell phone service.

How To: Wake the Screen on Your Nexus 6P with a Double-Tap

Ever since developer bponury created his TouchControl app for the Galaxy Nexus back in 2011, manufacturers and modders alike have been racing to re-implement the "Double-tap-to-wake" functionality it brought to the table. We've seen LG do it with their "Knock On" feature, we've seen Motorola put a twist on it with "Active Display," and we've even seen Google implement the feature in their Nexus 9 tablet.

How To: Disable T-Mobile's 'Binge on' for Better Quality Videos

T-Mobile's "Binge On" service for streaming videos has received mixed reactions so far. On one hand, it gives any T-Mobile subscriber unlimited access to popular streaming video services like Netflix and Hulu without having to worry about going over their monthly data cap. On the other hand, it reduces video quality to 480p, which is 6 times lower than full HD.

How To: Unlock VLC's Hidden Jigsaw Puzzle Mode

The VLC media player just celebrated its 15th birthday in February 2016, marking a decade and a half of hassle-free video playback for hundreds of millions of users on virtually every major operating system. The free and open-source player is so powerful and easy to use that it has almost completely vanquished all would-be competitors in its rise to the top.

How To: Take Control of Your Mac's Sleep Functions with These Commands

Macs are generally highly power efficient due to, in part, the optimized sleeping schedule with OS X. Yet in certain scenarios, you might not want your Mac to go to sleep: downloading a huge file, reading a book, reviewing a spreadsheet, analyzing some content on the screen... the list goes on. To resolve this, you can go to System Preferences and mess with the settings, but this can be an annoying process if you need to do it often.

How To: Install the Command Line Developer Tools Without Xcode

OS X is built upon a UNIX foundation, which grants you access to the benefits that UNIX offers, including the standard toolkit (make, gcc, clang, git, perl, svn, size, strings, id, and a lot more) via the command line developer tools, which are an essential if you're a developer. Aside from developers, the command line tools can offer benefits to normal users as well, like the ability to purge RAM for better performance.

Android Basics: A Series of Tutorials for Beginners

All across the web, you'll find guides on setting up various apps and mods for your Android device—but while these are certainly useful, they all seem to be working under the assumption that the reader has a certain level of knowledge about Android. For someone that's just getting started with the world's most popular mobile operating system, the basics of Android simply aren't covered as well as they should be.

How To: Speed Test Your Chromecast or Android TV

The Google Cast feature that serves as the primary interface for the Chromecast and comes bundled with Android TV devices like the Nexus Player is a marvel of modern technology. But as these things go, troubleshooting issues can be difficult with something so groundbreaking, especially when you consider that there are two parts to the equation—the casting device (your phone, tablet, or computer) and the receiver.

How To: Get WhatsApp's Latest Features Before Anyone Else

Getting cool new features before everyone else is just plain fun. To be on the bleeding edge can require a lot of effort at times, since the fastest way to get an update is to find it as soon as it leaks, then get to work on sideloading the new version. Luckily, there's an easier way to get the latest features on your favorite apps, with WhatsApp being no exception.

Android Basics: How to See What Kind of Processor You Have (ARM, ARM64, or x86)

Starting with the release of Android Lollipop, the process of installing the Xposed Framework got a bit more complicated. Not only are there separate installers for each Android version, but now, you also need to know exactly what type of processor is in your device to make sure you're downloading the right files. In fact, CPU architecture is becoming a factor in more and more scenarios these days, including certain sideloaded app updates and, of course, custom ROMs.