Gadget Hacks How-Tos

iOS Security: How to Untrust Computers Your iPhone Previously Connected To So They Can't Access Your Private Data

If you've ever connected your iPhone to a computer before, you know iOS prompts you to "Trust" the computer and enter your passcode to confirm. According to Apple, trusted computers can "sync with your iOS device, create backups, and access your device's photos, videos, contacts, and other content." That's a lot of permissions to hand off, especially if the computer's not your main laptop or desktop.

How To: 33 Cool Little Android Features You Might Not Know About

One of Android's biggest strengths is its flexibility. There's usually more than one way to perform the same task, which makes it easy to find an alternate method that works better for you. Android also has some hidden features that newer users might not be aware of, so we made this list to highlight lesser-known tips and tricks.

How To: 7 Tips for Securing a Red iPhone 8 Before They Sell Out

Apple has introduced a special edition iPhone 8 and 8 Plus to bring attention to the ongoing worldwide battle against AIDS. As the second iPhones to carry the (PRODUCT)RED name, these rare iPhones may quickly sell out when preorders open up on Tuesday, April 10, at 5:30 a.m. (PDT), so we'll go over some tips to help you secure a red iPhone before it's gone.

How To: Unsend Messages in Facebook Messenger Chats So Your Recipients Can't View Them

How many times have you sent a message on Facebook Messenger that you immediately wanted to take back? Most email services have an unsend option, as well as Instagram Direct, and Messenger has caught on to this convenience with a take-back button for any chat you're in — even in groups. Plus, you can also remove other people's messages.

How To: Gift iOS Apps, Games, Movies, Music, Books & TV Shows to iPhone Users

One of the best gifts that someone with an iPhone can receive is a paid app, hot new movie, bestselling album, gift card, or anything else in iTunes, Books, or the App Store that costs money. Even if it's a small $0.99 game that you heard a friend talking about, a gesture like this can go a long way. Gifting apps and media is now easier than ever, even if you don't have an iOS device yourself.

How To: Easily View Your Current Cellular Data Usage on Your iPhone

If you can't afford an unlimited plan, you're limited to a certain amount of data each month on your iPhone. Even some unlimited data plans have carrier-imposed mobile data caps that throttle the user if they exceed them. Keeping track of your exact usage each day will help make sure you don't get billed more or throttled like a chump near the end of the month.

ARCore 101: How to Create a Mobile AR Application in Unity, Part 1 (Setting Up the Software)

If you've contemplated what's possible with augmented reality on mobile devices, and your interest has been piqued enough to start building your own Android-based AR app, then this is a great place to to acquire the basic beginner skills to complete it. Once we get everything installed, we'll create a simple project that allows us to detect surfaces and place custom objects on those surfaces.

Snapchat 101: How to Share Custom Lenses & Filters with Friends That Won't Disappear

In late-2017, Snapchat debuted Lens Studio, a way for anyone to create their own augmented reality "world lenses" that can be shared to anyone with a Snapchat account. If you don't mind spending money, you can even create custom face lenses and basic overlay filters for special events. And while making lenses and filters have gotten pretty easy, distributing them is another matter entirely.

iOS Security: How to Keep Private Messages on Your iPhone's Lock Screen for Your Eyes Only

When you leave your iPhone on a table or anywhere within somebody else's eyeshot, a private message may pop up on your lock screen that could be read by anyone who sees it. But there's a way to keep others from reading your possibly sensitive text messages and emails without giving up the convenience of lock screen notifications entirely.

How To: Turn Off Facebook Lite's Call & Text History Logging on Android

The Android world exploded when it was discovered that Facebook was logging the call and text histories of many of its users, although the company claims those users had explicitly given Facebook permission to log that data. The case remains that many users were unaware of this activity, which occurs on both Messenger and Facebook Lite. Luckily, it's very easy to disable.

How To: Use Business Chat on Your iPhone to Securely Interact with Companies via iMessage

Apple first announced Business Chat, a new way for customers to communicate with companies, at WWDC 2017. While Business Chat did not arrive with the initial release of iOS 11, Apple pushed it out in iOS 11.3 so companies can offer customer service in a whole new way, and it works pretty much the same in iOS 12 and higher as it did back then.

Snapchat 101: How to Attach URLs to Your Snaps as Links

While Instagram users can attach links to images, they can only do so in stories, and only if they meet the special requirements that most users cannot obtain. Snapchat, on the other hand, lets anyone add a link, and it can be done in regular snaps and in your story. This feature has only been around since July 2017, so you may have missed it and not even realized it was a possibility.

How To: 6 Hidden Audio Mods for Your Galaxy S9

With much of the hype centered around its powerful cameras, it's easy to overlook the equally impressive audio capabilities of the Galaxy S9. After all, the S9 and S9+ are the first Samsung flagships to feature AKG-tuned stereo speakers, and that's not even mentioning all the software enhancements that help deliver rich, immersive sound in several different listening situations.

How To: Hide the Notch on Any Android Phone

After several Android phones started incorporating the iPhone X's notch, the online community was vocal, with many expressing hatred for the trend. Well, thanks to XDA Forum Moderator Zacharee1, we already have an app to undo the incoming wave of notches.

How To: Make an Anonymous Facebook Profile to Keep Your Personal Data Private

Between the Cambridge Analytica scandal and the revelation that Facebook logs your calls and text history on Android, many are considering joining the #DeleteFacebook movement. But it can be difficult to leave the site, because so much of its content is only available to active users. If you want to keep in the loop without sacrificing your privacy, you'll want to follow the steps below.