AT&T has launched a new security feature called "Wireless Lock" that protects customers from SIM swapping attacks by preventing changes to their account information and the porting of phone numbers ...

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 ...

Apple appears to have reversed course in Japan on a key feature of its iPad 3G: It won’t offer a version capable of being used with different cellular carriers there. All Japanese models will be ...

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 ...

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 ...

(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 ...

Apple appears to have reversed course in Japan on a key feature of its iPad 3G: It won’t offer a version capable of being used with different cellular carriers there. All Japanese models will be ...

GSM phones can be "locked", that is made to accept only SIM cards belonging to a specific network. Typically, this is done so that phones will work only on the network of the carrier. SIM-locked ...

Have you ever gotten a new phone only to find out it’s locked to a specific carrier? This often happens when you purchase a subsidized phone from a carrier. The carrier locks the phone so you can’t ...

Google Fi has implemented a Number Lock feature to fight illegal SIM swaps. This feature blocks your number from being transferred to another phone or to a new network. The FCC announced new rules to ...