If you're a new Metro by T-Mobile customer who bought a SIM card online or in a retail store, you'll need to activate it, and we're here to help.

Ready SIM collects no personal data and expires within days of activation.

Travel has become so much easier to plan, but staying connected abroad is still a headache. You land full of excitement, but ...

Once you have your GiffGaff activation code, go to GiffGaff’s site and enter the code to activate the SIM. Once you’ve entered the code, hit the ACTIVATE MY SIM button and your SIM card will be ...

Once your phone is completely activated and is up and running on Three’s network, you will receive one final activation code, confirming the activation. How Do I Find My New Number? If you didn’t keep ...

Before diving into the activation process, take a moment to check your Sim card packaging. Ensure you have all the necessary information at hand, such as your Sim card number (ICCID) and any ...

Most SIM card activation is done in-person in retail stores after a person purchases a SIM card, but manual ID checks often miss fraudulent identity documents.