A free app for Android, by ATT Services Inc..
ATT Cell Booster is a comprehensive application for managing your smartphone. It lets you manage all the services provided by your cellular network, such as the ones used for voice, data, and video.
How does ATT Cell Booster work?
ATT Cell Booster connects to your smartphone and automatically detects all the services you are using. It also detects the type of service you are using and the type of network you are connected to. This lets you know the quality of service you are receiving. You can also check your data usage, which is the amount of data used to store and receive data.