If you're a new T-Mobile customer or you recently purchased a new phone, you may have a new SIM card you'll need to activate. Here's how to set it up.

T-Mobile subscribers are facing issues with SIM activation due to a widespread outage. Users are unable to make calls, send texts, or connect to the internet after activating a new physical or ...

Activate a T-Mobile SIM card on your phone. The most common way to activate a T-Mobile SIM card is with your phone itself. It’s easy to do, and you’ll have to follow these steps: ...

Starting November 15, T-Mobile is going to charge $35 when you activate or upgrade a phone, even if that transaction takes place online. Previously, the fee only applied to in-store transactions.

T-Mobile Will Start Charging a $35 Activation Fee On Almost All Transactions. The $35 activation fee would come into effect from November 25.

If you went the prepaid route and ordered T-Mobile's no-contract iPhone 6, you may have no idea what to do once it arrives. Rick Broida is the author of numerous books and thousands of reviews ...

T-Mobile appears to be introducing a new fee called the Device Connection Charge. It’s a $35 one-time activation fee for every device you set up on a new line.