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 remove the SIM card from your Samsung Galaxy S10 using the SIM removal tool that came with your phone, or a very thin paperclip.

Nigeria has directed all telecommunications firms, including giants such as Airtel and MTN, to stop selling SIM cards while it audits rule compliance, according to a statement from the Nigeria ...

Samsung Electronics Co Ltd may discontinue its premium Galaxy Note phone next year, sources with knowledge of the matter said, a move that would reflect the sharp drop in demand for high-end ...

No one likes dropping offline, especially if you need to stay in contact. Get expert tips for boosting your cellphone signal on iPhone or Android.