How to Make a Sim Card Work

We've seen wearable electronics before, but we've yet to see a dress that dually operates as a cell phone. The idea is interesting, though not especially pragmatic (yet). "The M-Dress is an elegant silk jersey dress that is also a functional soft electronics mobile phone. Th ...more

If you're considering getting the new Verizon iPhone, you may want to check out reliable teardown site iFixit. Although the exterior of the new phone may look the same as the old, the interior shows significant differences. A few notable distinctions (click through for the wh ...more

There's no denying the coolness of an iPhone. But what if you pulled a homemade wooden cell phone out of your pocket instead? You'd probably be the talk of the town. If you like that idea, then make it a reality by building your own cell phone! A team over at MIT's High-Low T ...more

Many gamers see the film industry as the premier model that video games should follow, and it's no surprise. Movies are seen as the most legitimate and profitable of all artistic visual mediums, which is certainly qualities practitioners of any new medium would desire. Big bud ...more

If you want to use your iPhone with another carrier, all you have to do is contact the original carrier to request an unlock, which is usually granted in a few days. Unfortunately, you need to meet specific criteria to officially carrier-unlock your iPhone, like paying off the ...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

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

Apple finally unveiled the iPhone 14, 14 Plus, 14 Pro, and 14 Pro Max, and there are a lot of improvements that'll make you want to trade in your current iPhone stat. But I wouldn't be so quick to upgrade because there's one "feature" that will make many of you rethink getting ...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

If your smartphone is ever lost or stolen, it's a terrible experience. If you file a police report, chances are the responding officer will need your device's IMEI or MEID number if you want to stand a chance of getting it back. Same goes for making an insurance claim on a los ...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

In a previous how-to, I showed how to send and receive text messages by wirelessly syncing them from your phone to your Nexus 7 tablet. Some eagle-eyed users may have notice that the Nexus 7 with 3G actually has a SIM card slot. Now, syncing messages over to your tablet may b ...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

Signal Private Messenger is famous for its end-to-end encryption, but you can't even use the messaging app without having a real phone number attached to it. Luckily, there is a way around this limitation, so you can use Signal even if you don't have a valid SIM card in your s ...more

Why unlock your Samsung Galaxy S3 to use with a different SIM card? One possible reason is that you love your phone, but not your cellular provider because of the poor service or an unreliable connection. If you purchased a Samsung GS3 with AT&T, T-Mobile, etc. on a contract, ...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

Did you buy your new iPhone 5 without a contract? We'll, if you bought it from Apple, AT&T or Verizon, you can have it unlocked pretty easily. Why Have It Unlocked? The reason why some like to have an unlocked iPhone is because the phone can be used worldwide and with differe ...more

I know where I bought my phone, and I definitely know who I'm paying money to every month for cellular service, so there's absolutely no need to see my carrier's name draped all over my device. Fortunately, with Android Lollipop, the carrier label is only present on the lock s ...more

Sometimes, doing the right thing is way more difficult than it should be, like trying to return a lost smartphone. Despite having the best intentions, it's often hard to track down the rightful owner, especially if the device is armed with a passcode. On the other hand, there ...more

If your current cellular provider costs too much, has poor reception in your area, or doesn't support features you'd like to use, switching to another carrier is the obvious move. But can you bring your current iPhone or Android phone? In most cases, your current smartphone w ...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

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

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

Mobile carriers have been the bane of my existence for as long as I've had a phone. First, they take away unlimited data, and then when you try and switch carriers, they hold your phone hostage for a up to a week before unlocking it from their network. There are services out ...more

You may think your iPhone has all the features you could ever need or want, but that may change once you discover the features and services you're missing out on by residing in the United States. To sell iPhone models in other countries, Apple has to abide by each country's l ...more

My first encounter with a phablet was late last year with the AT&T version of the Samsung Galaxy Note 2, having never touched or even seen its highly-acclaimed and pioneering predecessor. Initially, I was a bit overwhelmed by the enormous screen and taken aback by the dated st ...more

Rumors about the 2022 iPhone series stirred well before the iPhone 13 models were even released. While Apple remains quiet on the next big iPhone, as it always does, we're seeing more and more leaks and reveals for the iPhone 14 series as we lead up to a likely fall release. ...more

The original iPhone SE was, for some, the perfect iPhone. It brought back the popular one-handed form factor of the iPhone 5 but packed in the internals of the then-new iPhone 6S. Now, the second-generation iPhone SE is here for 2020, but can it live up to what made the first- ...more

Google's next-gen cellular carrier, Google Fi, which replaces Project Fi, is making waves across the mobile industry. With super-cheap plans starting at only $20 and the ability to connect to millions of Wi-Fi hotspots across the globe, it's tempting many users to make the swi ...more