Activate a new SIM card with Cricket According to Cricket's website, if you order your service online, you'll use the same avenue to activate your new SIM.

Switching to the Un-Carrier can be exciting, but you have to know how to get set up. Here's how to activate a T-Mobile SIM card.

Activating a new Sim card isn’t always as straight forward as it sounds. This handy guide will take you though the process for the biggest networks.

If you're used to slapping a physical SIM card into a phone, here's how to activate a Cricket eSIM.