(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 ...

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 ...

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 ...

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 ...

The major telecommunication companies in Bangladesh and their smaller peers are in a debate over whether they should be allowed to lock all SIM slots when selling smartphones on instalment plans. SIM ...