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 ...

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 ...

While most people seem to manage just fine with a single SIM card in their smartphone, some -- especially travelers, who can save money by fitting a local SIM card into their handset -- love the ...

The Subscriber Identity Module, or SIM, used with GSM iPhones does not affect network reception; however, if you're unable to connect to the network to send or ...

It is worth mentioning that if you have purchased an iPhone 14 in the United States the latest range of iPhone 14 devices from Apple are not equipped with physical SIM trays, but uses a digital eSIM ...

Running a business requires you to stay connected to the outside world, and one way to do that is by having a smartphone. IPhones are often used for this purpose, but they are useless if you can't get ...

Apple's recent update to iOS 5.0.1 may have been designed to deal with intermittent "No Service" and "No SIM Card Installed" iPhone 4S messages, is being pushed to iOS 5 users who haven't upgraded to ...

The next-generation iPhone is expected to ship with 2GB of RAM and could also have a pre-installed Apple SIM, according to AppleInsider. The so-called "iPhone 6s," and presumably the "iPhone 6s Plus," ...