If you’ve acquired your iPhone through a contractual agreement with a mobile carrier, there’s a likelihood that the device is locked to that specific service provider. In order to switch to a ...

One common issue that some users face is their new phone not accepting their SIM card, requiring an unlock code. We will cover various methods to obtain the unlock code and troubleshoot your SIM card ...

Sareena was a senior editor for CNET covering the mobile beat, including device reviews. She is a seasoned multimedia journalist with more than a decade's worth of experience producing stories for ...