In this Ask Maggie, CNET's Marguerite Reardon advises a reader looking to use a SIM card from a tablet to get data-only wireless service on his smartphone. Marguerite Reardon Former senior reporter ...

A SIM card is one of the most important components of a mobile phone. It enables calling, messaging, receiving OTPs, and accessing mobile data. However, many users suddenly face issues where the phone ...

TRAI mandates a 24-hour SMS block after SIM replacement or eSIM transfer. During this period, UPI apps, OTP-based bank ...

SIM Binding: The Department of Telecommunications (DoT) has implemented a mandatory SIM-binding rule effective March 1, 2026, ...

Forbes contributors publish independent expert analyses and insights. Zak Doffman writes about security, surveillance and privacy. In between reports of increasingly sophisticated nation-state ...

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. Nida's passions include writing, testing ...

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 ...

Arm's Kigen software will allow for SIM cards in IoT devices, meaning they could get online without Wi-Fi, and eventually, maybe, through 5G. Alfred Ng Senior Reporter / CNET News Alfred Ng was a ...

IoT connectivity is shifting from physical SIM logistics to software-driven control. With the GSMA’s SGP.32 standard, connectivity can now be managed programmatically across the full device lifecycle ...

Learn how device binding and SIM fingerprinting protect digital payments and keep UPI transactions safe and secure.

A new SIM-binding regulation is set to change how messaging platforms operate in India. Users of services such as WhatsApp, Telegram and Arattai will need to adjust to stricter verification measures ...