If you desperately need to swap out the SIM card or install a microSD in your Android device, but can’t find the ejector tool that came with your phone, there are many household items you can ...

SIM cards are all around us, and with the continuing growth of the Internet of Things, spawning technologies like NB-IoT, this might as well be very literal soon. But what do we really know about ...

Far from being an outdated technology, the SIM card has continually evolved to meet the demands of an increasingly connected ...

[Nils Pipenbrinck] has been working on a very interesting problem. The SIM card in your cellphone talks to the contactless near-field communication (NFC) chip through a cool protocol that we’d ...

Use the provided tool to eject the SIM card holder from your phone. Remove the old SIM card from the holder. Insert your new SIM, and return the card holder into the iPhone. Make a phone call ...