Use these codes to forward calls, pay your bill, check balances, etc. Some of the codes work only on certain carriers or devices. One of the codes also might erase your data, so use with caution. I've ...

If you have a SIM card PIN enabled on your phone to access data on the SIM card, but you repeatedly enter it incorrectly, the SIM card may lock you out from further attempts. You can reset the SIM ...

Learn how to check if your phone is unlocked and, if it isn't, how you go about making an unlock request with AT&T, Sprint, T-Mobile and Verizon. Matt Elliott Senior Editor Matt Elliott is a senior ...

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 ...

Consumer Reports has no financial relationship with advertisers on this site. Consumer Reports has no financial relationship with advertisers on this site. If you’re looking to save money, shopping ...

So you’ve got a phone on Sprint’s network, and you’re looking to unlock it to use on another network in the United States, or on a local carrier in a country you’re traveling to. Typically, when you ...