A SIM card, or subscriber identity module, is a small card in your cellphone that lets you place phone calls, send text messages, and more.

You can activate a new or used iPhone for use with a cellular service provider in a few steps. Here's how to activate any iPhone, or troubleshoot it.

Whether you've recently added a new line to your Android phone for faster internet or gotten a new work SIM, a "SIM Not Provisioned" error message can disrupt your ...

As diplomats and world leaders prepared to gather in Manhattan for the UN General Assembly, the Secret Service uncovered an illegal electronic network that threatened to jam cell towers, 911 calls, ...

1:26Syrian president celebrates 'new chapter' and calls for peace in Gaza. 00:01:26, play videoSyrian president celebrates 'new chapter' and calls for peace in Gaza 0:27'No ceasefire because Russia ...

Counterintelligence of the Security Service of Ukraine (SSU) has detained two agents of the Federal Security Service of the Russian Federation (FSB) in the Kyiv region who were supplying Ukrainian SIM ...

Forbes contributors publish independent expert analyses and insights. Tim Bajarin covers the tech industry’s impact on PC and CE markets.

Mumbai: A senior woman executive of a finance company in Mumbai has filed a police complaint alleging sustained stalking and harassment by a man who first connected with her via LinkedIn. The accused, ...

A new teardown confirms Apple killed the SIM tray in the iPhone 17 lineup, using the space to pack in bigger batteries. The shift shows Apple squeezing every bit of space out of its devices while ...

Russia’s federal censorship agency, Roskomnadzor, has proposed requiring mobile operators in the country to report which SIM cards are being used in roaming mode, in order to enforce new restrictions ...

Jamtara police arrested Akbar Hussain, a resident of Nawadih, seizing 377 SIM cards and mobile phones. Hussain allegedly purchased SIM cards in bulk from Assam using forged IDs, flying from Kolkata ...