ZDNET's key takeaways Use these codes to forward calls, pay your bill, check balances, etc.Some of the codes work only on certain carriers or devices.One of the codes also might erase your data, so ...

There are hundreds of prepaid phone plans, but they all borrow from the same few mobile networks. Here’s what you need to ...

If you're still using a 4G smartphone along with a T-Mobile SIM card, it may be time for you to upgrade to a 5G handset as T-Mobile is phasing out 4G.

Buying a phone without being tied down to a contract means you can choose the carrier with the best offer. Here are the best cellphone deals you can buy in 2025.