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 ...

(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 ...

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 ...

Google’s system basically keeps all the security of a SIM PIN, while removing all the inconvenience. Just make sure you jot down the Android-managed PIN somewhere secure, in case your phone ever dies ...

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 new Samsung Galaxy Note 5 requires a nano SIM card for you to place calls, access the Internet, download applications, and share photos over your network service ...

The CB said users can lock their SIM cards by clicking on their phone’s security settings, finding the SIM card lock option and enabling it. BHUBANESWAR: In view of the rising cases of mobile phone ...