Your phone's SIM card allows the device to make calls, send texts, and connect to the internet. The SIM card provides a phone ...

We've all been instructed to be alert for potential malware contaminating our devices. Infections often find their way to our computers, phones and tablets after clicking a dangerous link, downloading ...

Forbes contributors publish independent expert analyses and insights. Zak Doffman writes about security, surveillance and privacy. In between reports of increasingly sophisticated nation-state ...

Will was the Phones Editor at Android Police from August 2022 to May 2025, which usually meant his desk was covered in a dozen different smartphones at any given time. Prior to that, he was a news ...

Some Wi-Fi networks and virtual private networks require security certificates to connect. Devices that don't have the necessary security certificates are blocked from the network. You can add ...

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 make ...

Imagine trying to call someone urgently from your Android device only to be greeted by the error message "SIM card not detected." This error means that your device is ...

Do you get the error message “No SIM Card Detected” or “No SIM Card Installed” after inserting a SIM card into your phone? This problem often occurs when you ...

We store a lot of sensitive information on our smartphones, which is why security is key. A loophole in Android, though, has allowed access to credit card details with the right NFC hardware, but ...