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 ...

Use a SIM ejector tool or paperclip to gently remove the SIM tray. Take out the SIM card and inspect it for damage, such as ...

Do you get the error message “No SIM Card Detected” or “No SIM Card Installed” after inserting a SIM card into your phone? This problem often occurs when you ...

Setting up and activating a new iPhone is usually a very smooth and straightforward process. But occasionally, there can be an odd hiccup here and there, especially when your iPhone says there’s no ...

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 ...

Dual-SIM support for RCS chats seems to be rolling out again with the latest Google Messages beta. The feature first appeared in January this year, but Google stopped the rollout shortly after it ...