The newer eSIM technology, which is quickly becoming the standard on high-end phones, is safer and more convenient.

Seeing “No SIM” or “Invalid SIM” on iPhone? Check your SIM card, restart, or update your carrier settings. Simple fixes often ...

If your new phone no longer supports SIM cards, or you don't want to use them anymore, you can convert to eSIM instead. I started my career with CNET all the way back in 2005, when the (original) ...

Are you trying to switch phones or carriers? You might need to swap SIM cards for that, and we can understand how confusing this process can be if you haven’t done it before. Today we’ll show you ...

Sareena was a senior editor for CNET covering the mobile beat, including device reviews. She is a seasoned multimedia journalist with more than a decade's worth of experience producing stories for ...

Anyone looking to add more than one number to their iPhone, maybe to keep work and pleasure separate or just to have multiple numbers on one device. Will be pleased to know that this is made possible ...

As mobile devices become central to digital identity, cybercriminals are adopting new ways to steal personal data. One such method is SIM card swap fraud, where attackers trick mobile operators into ...

Gently cleaning the SIM card and its tray can remove dust or debris that might be obstructing proper contact. Switching Airplane mode on and off can help reset network connections and prompt the ...