Hot Gadget Hacks Posts « Gadget Hacks

How To: Keep Your Night Vision Sharp with the iPhone's Hidden Red Screen

Night Shift, Dark Mode, Reduce White Point, and Zoom's Low Light Filter all help reduce the harmful effects on your body's clock that bright iPhone and iPad screens have at night. But there's another option on iOS and iPadOS that turns your entire display red, and it's useful for so much more than just late-night browsing in bed.

Warning: Sensitive Info You Black Out in Images Can Be Revealed with a Few Quick Edits on Your iPhone

These days, most images we post online or share with others come from our smartphones. Whenever personal data is in them, such as debit card numbers, addresses, phone numbers, passwords, and other sensitive information, it's easy to jump into your iPhone's markup tools to black out the text before sharing. But a digital marker may not hide everything.

How To: Make Spoofed Calls Using Any Phone Number You Want Right from Your Smartphone

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 fool you into picking up. Turns out, making a spoofed call is something anybody can do — even you.

How To: Find All the Reels You Liked & Saved on Instagram

So, you're trying to show a friend or two a hilarious Reel you liked or saved on Instagram, but where is it? Unlike TikTok, Instagram doesn't make it clear where you're supposed to find your liked and saved Reels. Luckily, we can help.

How To: If 'Messages' Consumes Too Much iPhone or iCloud Storage, Don't Delete Your Conversations Just Yet

When iOS starts barking at you that you've run out of iCloud or iPhone storage, a quick trip to your settings to see what the culprit is may show that Messages is one of the worst offenders. But if deleting message after message doesn't free up your storage much, it's likely because "Messages" doesn't really mean messages.

How To: There's an Easy Way to See All the Unsent Messages in Your iMessage Conversations

While you can quickly see the edit history of a modified iMessage in the Messages app, there's no way to view an iMessage that somebody in the conversation deleted unless you happened to see it before it disappeared. But that's only true if you didn't implement these security measures on your iPhone.

How To: The Easiest Way to Secretly Record Someone's Conversation with Your iPhone

Your iPhone's built-in Voice Memos app is a great way to record the audio around you, whether it be conversations, lectures, meetings, interviews, discussions, chitchat, gossip, or other kinds of talks. But if your goal is to record audio on the down-low without being noticed, you'll need to know the hidden shortcut.

How To: Turn Any Website into a Full-Screen App on Your iPhone

Not all websites need a dedicated mobile app, which is why so many don't. Web apps are now designed to scale to whatever the size of your screen is, so the mobile versions of desktop sites in your web browser are easy enough to navigate and utilize. Still, there's just something about an app on your home screen that makes it all so much easier.

How To: Make Your iPhone Do All Your Talking for You on Calls and in Person

When you don't feel like talking, let your iPhone do all the work. Yes, your iPhone can speak for you, and it works over phone calls and FaceTime calls. It will even work its magic over your iPhone's speaker for in-person conversations. While Apple created this feature to support people who are unable to speak and people who have lost or are losing their speech abilities, anyone can use it.

How To: See Passwords for Wi-Fi Networks You've Connected Your Android Device To

You've probably connected your Android device to dozens of Wi-Fi networks since you've had it, and your phone or tablet remembers each of them. Whether it's a hotspot at home, school, work, the gym, a coffee shop, a relative's apartment — or even from a friend's phone — each time you type in a Wi-Fi password, your Android device saves it for safekeeping and easy access later.

How To: Use FaceTime's Secret Hand Gestures and Reaction Buttons to Add Animated On-Screen Effects to Your Video Feed

Apple's Messages app has long had visual effects you could apply manually after long-pressing the send button, and there are even hidden keywords you could use to trigger full-screen effects automatically. FaceTime's latest update also gives you some full-screen effects to play around with during video calls, but the triggers are an entirely different concept — hand gestures.

How To: The Trick That Lets You Link to Specific Start Times in YouTube Videos Right from Your Phone

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 phone or tablet.

How To: Hide Stories in Your Facebook Feed on iPhone or Android

When Facebook introduced Stories in 2017, many users despised the Snapchat-like feature on their main page. However, despite the outcry, Facebook doesn't plan to let you remove it. But you don't have settle for this. With the help of some third-party apps, you no longer have to deal with Stories.

How To: See Passwords for All the Wi-Fi Networks You've Connected Your iPhone To

Your iPhone goes with you pretty much everywhere you go, and unless you have unlimited data on your cellular plan, you've probably connected to dozens of Wi-Fi hotspots over the years. Wi-Fi passwords are saved to your iPhone so you can auto-connect to the router or personal hotspot again, but finding the plain text password for a network hasn't always been easy.

How To: Set a Charging Limit on Your Android Device to Avoid Excess Battery Wear

There's a lot of conflicting information out there when it comes to the best habits for charging a smartphone's battery, so let's clear some of that up right off the bat. Lithium ion batteries (the type used in most modern electronics) start to lose their ability to hold a charge over time, and the two biggest factors that contribute to this are excess heat and overcharging.

Google Photos 101: How to Use Google Lens to Identify Landmarks in Your Images

When traveling or sightseeing, you may come across a landmark you can't quite identify and want to know what exactly it is and the history behind it. It could be a building, waterfall ... anything. If there are no signs around or they're in a different language, you'll have no idea what you're looking at. Fortunately, Google Photos can be your personal tour guide with the power of Google Lens.

How To: Get Over 100 New & Unique Themes for Gboard on Android

Gboard has come a long way from its roots as the "Google Keyboard" in the earlier days of Android. It's now the most popular, feature-rich, and useful keyboard app on the market. Google even includes quite a few themes right out of the box for Gboard — but what if you could have even more?

How To: Build an iPhone/iPod charger cable

Systm is the Do It Yourself show designed for the common geek who wants to quickly and easily learn how to dive into the latest and hottest tech projects. We will help you avoid pitfalls and get your project up and running fast. Search Systm on WonderHowTo for more DIY episodes from this Revision3 show.

How To: Save Your GarageBand Songs as Custom iPhone Ringtones & Alert Tones

When you make an awesome song or beat that you're proud of in GarageBand for iOS, one way to show it off is to turn it into a ringtone or alert tone for your iPhone. That way, anytime you get a phone call or a notification, your musical creation will sound off, and everyone around you will hear it in all its glory. Plus, it's way cheaper to make your tones than to buy them off of iTunes.

How To: Use Invisible Zero-Width Characters to Hide Secret Messages in Plain Sight

With a simple web-based tool, you can hide secret messages for family, friends, and fellow spies inside of plain text communications, and anyone that intercepts the messages will be none the wiser.

How To: Open Google Assistant with Android 10's New Swipe Gestures

The Google Assistant is a core part of Android — Google even made it possible to launch the Assistant by long-pressing the home button. But with Android 10's new gesture controls, there isn't a home button to long-press, so Google created a new gesture to replace it.

How To: Clone Any Android App on Your Samsung Galaxy Phone Without Using Any Third-Party Tools

Samsung has a cool security feature built into One UI that has an interesting side effect, one that lets you have two separate copies of any Android app on your Galaxy phone. And that's not the only integrated Samsung tool for cloning apps.

How To: Use Odin to Flash Samsung Galaxy Stock Firmware

If you own a Samsung phone and enjoy rooting or modding your device, flashing official firmware can be very useful. Odin is Samsung's own internal program for loading such updates for testing purposes, and it's quite easy to use for your own custom modification needs.

How To: Your iPad Has a Hidden Built-in Calculator You're Not Using — Here's How to Unlock It

There is no iPad version of Apple's Calculator app, so you won't find it on your Home Screen, in your App Library, or as a shortcut in the Control Center. But that doesn't mean your iPad doesn't have an official calculator.

How To: Make Siri Say Whatever You Want Every Time You Connect Your iPhone to a Charger

Whenever your iPhone's ringer is on, you'll hear Apple's iconic "Connect Power" chime every time you connect it to a wired or wireless power source, which lets you know that charging has started. There's no way to disable the sound without turning on Silent mode, but there is a way to make Siri automatically say whatever you want after a successful connection.

How To: 100+ Secret Dialer Codes for Your iPhone

There's a lot more to your iPhone's dialer screen than just entering phone numbers and hitting the green call button. It's not very obvious, but there are secret codes that you can enter on the dialer to find out information about your device, help troubleshoot issues, and mask outgoing calls, to name just a few things.

How To: Your iPhone's Status Bar Can Actually Be Customized — Here's How

You see the status bar nearly everywhere on your iPhone, and it almost always looks the same. But you can use a few tricks to spice things up a bit — without jailbreaking your iPhone.

How To: The Complete Guide to Flashing Factory Images on Android Using Fastboot

If your phone has an unlocked bootloader, you can use Fastboot commands to flash factory images. That may sound like a bunch of technical jargon, but when it comes down to it, this is the best method for updating a rooted device, fixing a bricked phone, reverting to stock, or even getting new Android updates before everyone else.

How To: Turn Your iPhone into a Bedside Clock, Digital Photo Frame, or Full-Screen Smart Display with iOS 17

With Apple's newest iOS software update, you can turn your iPhone into a smart display that's always on when you're not actively using it. So your iPhone can quickly transform into a bedside clock, digital photo frame, miniature HomePod, Live Activities tracker, widget-monitoring screen, and more.

Google Photos 101: How to Track Down & Buy Anything in Your Pictures with Google Lens

Google Lens is a fantastic addition to Google Photos for Android and iOS that allows your smartphone to identify a number of things in your pictures, like landmarks and contact info. Using this power, you can even find out how to buy almost any product you've taken a photo of — you don't even need the barcode.

How To: See Who's Viewed Your TikTok Profile (And How to Stop Them from Knowing You Visited Theirs)

Most of you have probably wondered at least once who has been checking out your social media profiles. While most platforms prohibit you from seeing who's viewed your profile, such as Facebook, Instagram, and Twitter, TikTok is one of the few places that lets you track profile visitors. And unlike with LinkedIn, you don't have to pay for the privilege.

How To: The First 10 Things to Do After Rooting Your Phone

Okay, so you rooted your Android phone .... now what? There are a few ducks you need to get into a row, like backing up your stock boot image, getting SafetyNet sorted, and improving security with biometrics. But there are also awesome root mods waiting for you — just don't get ahead of yourself.

How To: The Fastest Way to Toggle Your Pixel's Flashlight On/Off — Even When Your Screen Is Locked

With all the high-tech wizardry available on modern smartphones, the low-key most practical tool is arguably the flashlight. If you own a Google Pixel model, it's finally easier to turn the flashlight on and off from anywhere.

How To: Find the Most Accurate Weather Source for Your Area (And See Which Apps Use It)

Not all weather sources are equal. When you're looking at the forecast, you hope that it's at least semi-accurate so you can plan the week and days ahead, but many sources are unreliable. And with the famous Dark Sky API shutting down on March 31, 2023, you'll need an alternative source of weather information if you use an app that utilizes that API.

How To: The Notes Widget Sucks — So Here Are 4 Better Ones for More Useful Sticky Notes on Your Home Screen

I won't mince words: the Notes widget in iOS 14 is bad. But you're not stuck with it if you want sticky notes on your home screen.

How To: This iPhone Setting Instantly Improves Video Quality When Shooting in Low Light

If you shoot videos with your iPhone in low-light situations, you may not always get the results you want. And that applies when recording video in 720p, 1080p, and even 4K resolutions. But there's an easy way to maximize your video's quality when filming in dark environments.

How To: Get a System-Wide Audio Equalizer on Your Google Pixel — No Root Needed

Google's version of Android is best described as AOSP with extra features. But while the Pixel's UI is rightfully praised for its simplicity, those "extra features" aren't as numerous as they are on other OEM skins like Samsung's One UI. Case in point, there's no real system-wide audio EQ.

How To: Apple's New Cutout Tool Magically Isolates Subjects and Removes Backgrounds from Images on Your iPhone

One of the most useful new features Apple included on iOS 16 lets you instantly lift the subject out of a photo, separating it from the background. Once extracted, you can paste, save, or drop the cutout wherever you want as a new image, and you can even make it a sticker in messaging apps.

Android Basics: How to View Your Location History

Your smartphone has a GPS chip inside of it that can pinpoint your location down to the nearest 4 meters, and this little device stays in your pocket or purse all day. Combine those two facts and you start to realize that your phone knows exactly where you've been during every moment that has passed since you've owned it.

How To: Switch Between Miles and Kilometers in Apple Maps on iOS 16

Apple removed the option to quickly change between miles and kilometers when using Apple Maps on iOS 16, but it's not entirely gone — it's just not as easy to find.