Zscaler has expanded its AI-powered Zero Trust Exchange platform with Zscaler Cellular, a breakthrough solution that enables Zero Trust communication for IoT and OT devices using just a SIM card—no ...

Do you get the error message “No SIM Card Detected” or “No SIM Card Installed” after inserting a SIM card into your phone? This problem often occurs when you ...

Millions of mobile phones may be vulnerable to spying due to the use of outdated, 1970s-era cryptography, according to new research due to be presented at the Black Hat security conference. Karsten ...

Posts from this topic will be added to your daily email digest and your homepage feed. The spyware would live on the SIM card itself But in the days since the report published, there’s been concern ...

The "No SIM Card Detected" error can be a frustrating issue for smartphone users, disrupting essential functions like making calls, sending texts, and accessing the ...

Once you’ve activated your iPhone with your carrier, it should continue to work on the cellular network without any problems as long as you’re within range of a tower. Nevertheless, the vagaries of ...

The iPad's Subscriber Identity Module connects the tablet to cellular data when Wi-Fi is unavailable. Unlike the iPad Mini, which uses a nano SIM card, the standard iPad uses a slightly larger micro ...

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 them ...

Many factors can contribute to a sudden “No SIM Card” error on your Google Pixel 8. These can range from temporary software glitches to physical issues with the ...

iPhone XS models and newer feature both a physical SIM slot and a digital eSIM, allowing for a feature known as dual SIM, dual standby. This means you can have two lines of service on one iPhone, ...