T-Mobile is America's largest 5G network and covers more people and places than anyone else. While our 5G network continues to expand, you can count on our 4G LTE network that connects 99% of Americans. Access our 5G & 4G LTE coverage map from your computer or mobile device.

A: Factory Unlocked means that the phone isn't attached to any cell phone service and can be used with any service that uses a SIM card. However - sometimes (in my experience especially in the US) you need to inform yourself wether or not the internet (3G, 4G, etc) will work with your carrier.

An unlocked cell phone is a cellular telephone that can be used with more than one service provider, allowing users the flexibility and freedom to switch between different networks. Staying mobile and connected is a precious commodity today, as is having flexibility with mobile devices.

T-Mobile is America's largest 5G network. Compare our plans to AT&T and Verizon with our savings calculator and find out just how much you can save when you switch to T-Mobile. Get the savings you want and benefits you'll love. Switch and save.