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 ...

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, ...

A No SIM card error in mobile devices is usually associated with software problems if not due to a faulty SIM card or hardware damage like damaged SIM card tray and ...

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 ...

For many years, mobile phones received cellular service through a physical SIM (subscriber identity module) card that connected your handset to your phone carrier. These physical SIM cards made it ...

A decade ago, if someone had told you your phone could charge in less than 10 minutes or take a detailed photograph of the moon, would you have believed it? Despite our allegiance to technology, we ...

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 ...

Is your Huawei P30 having trouble detecting the SIM card? In this post, we cover a common problem in a lot of Android phones — No SIM card detected error. This ...

You don't need to lose your old SIM contacts or photos when you upgrade to an iPhone, because Apple's iOS operating system and iTunes software allow you to transfer ...

Nida is a tech and telecom journalist with more than five years of writing experience. She graduated from the University of Toronto with a BA in journalism. You have more than one option for ...