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, ...

When your phone fails to read or recognize the SIM card, it will give you an error message saying so. Among the pertinent errors to show up would include No service ...

Samsung's Galaxy smartphones allow you to protect your personal information by locking your SIM card with a PIN. While you should choose your code with care, you always have the option to change your ...

Businesses that provide employees with cell phones may want to reduce costs by limiting the phone numbers the employees can call. The Samsung SGH-T619 has a Fixed Dial Number, or FDN mode, which ...