What Is a SIM Card and What Does It Do?

The struggle with SIM cards can be an annoyance when upgrading to a new cell phone or reverting to a backup. Haven’t we come far enough with technology that such a thing shouldn’t matter anymore? What is a SIM card and what does it do? Is there a way to use a mobile phone without
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SIM Card Swapping Risks, Is Your Phone Spying on You, Sleep Monitoring, and More

In this week’s podcast, Christian Cawley and James Frew take a look at the phenomenon of SIM card swapping, ask if your phone is spying on you, and chat about sleep monitoring and its benefits. They also take a look at the ways you can download Facebook videos, and how to abandon Google Chrome with
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The 8 Best Flash Card Apps for Android

Flash cards are an incredibly useful tool for helping you memorize anything. You should use them whether you’re learning to code, studying for an exam, or even doing some public speaking. You can jot facts and details onto the cards and use them as prompts. Or with double-sided cards you can write a question on
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5 Mistakes to Avoid When Buying a MicroSD Card

Whether you need it for a phone, a camera, or some other gadget, shopping for a microSD card seems like a pretty simple thing to do, right? Yet there’s a lot more to them than you might realize. It’s surprisingly easy to wind up falling into a number of traps: overpaying, getting terrible performance, or
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How to Recognize and Avoid Free Gift Card Scams: 7 Warning Signs

Have you won a free gift card? The answer, of course, is “no.” That’s not entirely fair—some firms do enter customers into competitions, especially when Christmas is coming up. But when was the last time you heard of someone winning a $ 500 Amazon gift card and it wasn’t a scam? Here are a few
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How to Network Boot a Raspberry Pi Without a MicroSD Card

Setting up a Raspberry Pi usually means writing the disk image to a microSD card, then using it to boot the operating system. It’s a good flow that works in most cases… but it’s not the only option. Now you can use network boot to run your Raspberry Pi, and forget about microSD cards completely!
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