Changing physical SIM cards on your phone is always a fiddly business. First, you have to root for the little SIM tray tool ...

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 ...

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

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) ...

Apple made a big change with the iPhone 14, moving to an eSIM-only configuration that makes it impossible to use your current phone's SIM card. That continues with the iPhone 15, with no physical SIM ...

The "No SIM Card Detected" error can be a frustrating issue for smartphone users, disrupting essential functions like making calls, sending texts, and accessing the ...

A SIM card, or subscriber identity module card, is essential component of any phone. It connects your device to a cellular network and stores vital information, including your phone number. Many ...

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 ...