Today’s Android phones are significantly more advanced than they were just a few years ago, but one thing hasn’t changed: the need for a SIM card. Every phone needs a physical or eSIM card to ...

If you desperately need to swap out the SIM card or install a microSD in your Android device, but can’t find the ejector tool that came with your phone, there are many household items you can ...

Since Android 6 (API level 23) a few methods of TelephonyManager require permission READ_PHONE_STATE. All methods of SubscriptionManager require permission READ_PHONE ...

Here's a step-by-step guide on activating your T-Mobile SIM card and connecting to the T-Mobile network. A brief company ...

The following steps explain how to enable or disable the SIM PIN lock feature on Android smartphones. You can use a SIM PIN to prevent access to cellular data ...