The new Samsung Galaxy Note 5 requires a nano SIM card for you to place calls, access the Internet, download applications, and share photos over your network service ...

We previously reported that a tiny handful of iPhones shipped without SIM cards, while significantly more units have generated the error message "No SIM card ...

Phil is a freelance writer from the UK, studying Creative Writing at university. When he's not writing, Phil is usually fiddling about with his phone, tweeting, or obsessing over anything with four ...

Google is testing a change to its Messages app that could affect how dual-SIM Android users switch between their phone numbers. The update moves the SIM selection option from the message composition ...

Have you ever wondered exactly how a SIM card works? We’ll help you understand why your phone needs one and what they do to keep you connected. Image: TalkAndroid Editorial Note: Talk Android may ...