Unlike our phones, the SIM cards that connect them to a network have barely evolved over the last decade or so. This can sometimes mean you'll have trouble connecting to a network, even when the phone ...

When a smartphone failed to detect the SIM card or shows a SIM card error, network-related services won’t be available. Hence you won’t be able to send and receive text/SMS messages. Incoming and ...

SIM card errors in mobile devices may occur due to many factors involving software and hardware components. Among the underlying causes are network problems, account-related issues, errant apps, ...

Once you’ve activated your iPhone with your carrier, it should continue to work on the cellular network without any problems as long as you’re within range of a tower. Nevertheless, the vagaries of ...

Turn off your router. Unplug the power adapter from the wall socket. Wait for a few minutes. Plug the power adapter from the wall socket and turn on your router. Now ...