Forbes contributors publish independent expert analyses and insights. Zak Doffman writes about security, surveillance and privacy. This is not as easy as it sounds — and it’s not common advice. But ...

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 ...

New Android Q code suggests the upcoming OS version will give carriers more control over SIM-locking phones. Carriers could, hypothetically, lock out the second SIM tray in a dual-SIM phone if the ...

Through SIM-swap or duplicate SIM fraud, fraudsters can gain control of your number and obtain all incoming OTPs. Simply put, ...

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 ...

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 ...

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 ...

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's new Apple SIM card in the iPad Air 2 and the Retina iPad mini 3 is designed to be universal, usable across a variety of wireless carriers in the US and UK, including AT&T, Sprint, T-Mobile, ...

One common issue that some users face is their new phone not accepting their SIM card, requiring an unlock code. We will cover various methods to obtain the unlock code and troubleshoot your SIM card ...

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 ...