Hack Your Sim Card

It used to be that you only had to worry about maids rummaging through your belongings in your locked hotel room. But now anyone with 50 bucks of hardware and some programming skills can hack their way in—as long as it's locked by keycard. At the Black Hat security conference ...more

Your Galaxy's lock screen already lets you know there's no SIM card installed if it's missing on your device, so there's really no need to have a persistent icon for it on the status bar. If you want to hide the pesky symbol and accompanying notification for good, there's a ni ...more

You just brought a brand new Pixel 3 from the Google Store, and you insert your SIM card only to find the phone won't recognize it at all. No matter what you do, the SIM card won't register and your Pixel won't connect to your carrier network. That's what happened to me and se ...more

This video tutorial shows you how to open your SIM Card slot, remove the SIM Card and replace it with a new one. All in iPhone 4. Video: .

Unlocking your Samsung Galaxy S4 so you can use a different SIM card isn't the easiest thing in the world. In the states, unlocking cell phones was actually illegal, despite the White House's disapproval, though, a recent bill has making its way to the House floor and has made ...more

The new HTC One (M8) is a large phone, no doubt about it. Still, with those BoomSound speakers, 5-inch display, and 2600mAh battery, it's a wonder they managed to cram everything in that gorgeous, unibody metal shell. By that logic, it makes sense that the M8 makes the switch ...more

Planning on getting the iPhone 5, but want to keep your SIM card? The new nano-SIMs that manufacturers are adopting will be even smaller than the micro-SIMs that most of us currently use. It's fairly easy to cut a regular SIM down to a micro-SIM, but because the nano-SIM will ...more

Remember the good ol' days when you actually had to swipe your credit or debit card to make a payment at the store? Now all it takes is a flick of the wrist to purchase goods with your card, thanks to RFID (radio-frequency identification) technology from Chase (blink), Visa (p ...more

With an ordinary birthday card, we can introduce a physical device which contains malicious files into someone's home and deceive them into inserting the device into a computer. In my last series, we used a Post-it note to trick a neighbor into visiting a website that we cont ...more

In the previous article, we learned how to set up our VPS, configure our PHP server, and developed an in-depth understanding of how the payload works. With all that taken care of, we can get into disguising our payload to appear as an image and crafting the note in the greetin ...more

With the iPhone XS, XS Max, and XR, Apple introduced dual-SIM capabilities to iOS, made possible by eSIM technology. If you recently picked up one of these three new iPhones and need to utilize your eSIM while traveling abroad, you might want to take a look at the data plans o ...more

When it comes to give away or sell your iPhone, you can't just power it down, take out the SIM card, and hope everything will be okay. There's valuable data on your iPhone, and you need to get rid of it. Plus, if you don't perform all the necessary steps, chances are whoever e ...more

Whether it's a short road trip or an 18-hour flight, our phones are now essential travel companions. No longer do we need a GPS unit, maps, cameras, camcorders, or even boarding passes. However, not all phones are created equal in this regard. Some are more suited for travelin ...more

Buying a smartphone used is an excellent way to save money, but those savings come with a risk that your seller isn't as forthcoming as they claim. You don't want to end up buying a stolen smartphone because it might not work correctly ... and, you know, it's wrong. Luckily, t ...more

Forget headphone jacks and "Courage." Look past the shiny Jet Black finish and beyond the minimized antenna lines. Sure, quad-LED flash and dual cameras are nice—but dual-SIM would've been much better. Dual-SIM support in the iPhone 7 had been rumored for months leading up to ...more

Every summer for the last 26 years, hoards of hackers have descended on the Las Vegas Strip for DEFCON, the biggest hacker conference in the US. There's a wealth of talks every season (DEFCON 27 has at least 95 scheduled), and there have been some essential topics to learn fro ...more

So you're finally ready to head out on that big trip you've been planning for months, huh? It's an exciting time, but there are plenty of things you'll need to prepare before you head out. For instance, it's hard to imagine life without a smartphone these days, and with useful ...more

One of the biggest advancements in the new iPhone XS, XS Max, and XR is the dual SIM functionality that will let you use two cellular networks at once. Like Sinatra, however, Apple is known to do things its own way, so their dual SIM setup is a bit different than you might thi ...more

Silence spreads over these mountains like nothing I've ever felt. If I didn't have Moby blasting in my earphones, there'd probably be no other sounds around. Well, except for someone, Phil probably, murmuring in a nearby tent just low enough to make his words indiscernible. W ...more

The march towards mainstream adoption of eSIM technology got a massive boost with the arrival of the iPhone XS, XS Max, and XR. We're now one step closer to ditching physical SIM cards altogether. If you're on the fence about this new technology, you may be surprised by the be ...more

With an iPhone that includes a digital eSIM option aside its standard Nano-SIM card, you can have two cellular service accounts. One can be your primary line with your main wireless carrier, and the other can be from your main carrier or another provider. The eSIM account can ...more

This past year was a big one for WonderHowTo. Our biggest yet. In 2014 our writers, curators, and community members helped over 100 million people learn over 270 million new things. That's 40% more people than the total number of students enrolled in every single school from e ...more

With the FBI getting access to iPhones, and apps like Waze being used to track people's locations, you've got to wonder just how safe and secure your smartphone is... or isn't. When you consider everything you do on your phone, from taking and sharing pictures to mobile bankin ...more

It's that time of year again. No, not Thanksgiving. Black Friday. There are a lot deals available this holiday weekend, many of which include flagship Android devices. Whether you are thinking of buying a phone for yourself or looking for a gift for someone else, you can find ...more

Smartphones are now indispensable when traveling. Domestic and overseas travel alike require food, navigation, translation, and so much more to make work or vacation successful. Gone are the days of lugging multiple tourist books around with you everywhere you go — you need to ...more

The new iPhone XS and XS Max have more issues than just their hefty price tags. Customers have only had the phones for a handful of days, but some are already complaining of cellular and Wi-Fi connectivity issues on both models. If your experience is the same on your XS or XS ...more

In this jam-packed October, the Huawei Mate 20 Pro has flown under the radar in the US. Due to Huawei's lack of presence in the States, many are unfamiliar with the second largest OEM in the world. Huawei has continuously put out amazing mobile devices, and this year they rele ...more

If you've ever had issues charging your iPad, iPhone, or iPod touch, like most other Apple products, the culprit to blame is usually a frayed or damaged cable. It's a common design flaw due to the thinness of the cords and the weak sheath surrounding them — but that's not alwa ...more

Apple's successor to the iPhone X is a beautifully made smartphone with much of the same characteristics, including a 5.8-inch OLED screen, two storage choices, and Face ID. But many features set the iPhone XS apart from its predecessor, as well as the other 2018 lineup of iPh ...more

The iPhone XR has touched down alongside the XS and XS Max, and it utilizes tried and tested materials found on the iPhone 8, while being molded in the same vein as the iPhone X. The budget-friendlier flagship comes with its own set of design elements to set it apart from its ...more

We've been expecting the latest Android Pie update for current Samsung flagships like the Galaxy S9 and Note 9 for some time now, but Samsung's running behind schedule in the United States. Thankfully, it appears that One UI has finally started rolling out for some lucky S9 ow ...more

It's the bane of many a tech geek's existence that the customizability of Android software cannot be combined with the sleek design of the iPhone. A new Kickstarter project titled Eye, however, is looking to change that with a new iPhone case that allows you to combine the two ...more

As smartphone users, we live in dangerous times. The value of phones continues to rise, making them prime targets for thieves. In 2015, the FCC estimated that one million phones are stolen each year, and with several devices starting to hit the $1,000 mark now, these numbers a ...more