SIM card problems can easily be determined by the error prompts and warning messages. Among the most common SIM errors that have plagued various Android devices ...

If you can't make a call or if you see an error message that your phone's SIM card is not working, there are several ways to troubleshoot the problem. Ther error ...

Many smartphone users upgrade their devices to a newer device (in India), and they tend to face SIM card issues at times after switching to a new device. This is because, if you do not activate a few ...

If you’re thinking of moving to a new network, and want to keep hold of the same iPhone, you may hit a snag: the device is locked to your current carrier and can’t be used with any other company.