After you purchase and use your cellphone for an extended period of time, you can change networks. However, the phone that you're currently using may not be offered on that network. If you wish to ...

The programmable Apple SIM, today for the new iPad Air 2, gives users the freedom to move from one wireless carrier to another -- in theory, at least. Love Apple or hate it, you can't deny the company ...

(Subscriber Identity Module lock) A function in GSM cellphones that restricts the phone's use to a particular cellular carrier identified by a SIM card. SIM locks are used to ensure subscribers finish ...

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 ...

Since last week’s leak, it’s been clear that Android Q is going to include some positive changes for Android going forward, like system-wide dark mode and new permissions settings. Unfortunately, it’s ...