How to Use Your Unlock Code Once you have acquired your SIM unlock code, follow these steps: Turn off your phone and insert the new SIM card.

Cybercriminals are targeting mobile users through SIM swap fraud. They trick operators to transfer numbers. This gives them access to sensitive accounts. Users should strengthen account security.

Lock down your AT&T account to prevent SIM swapping attacks - here's how The new Wireless Account Lock prevents someone from moving your phone number to a different device.