Your questions answered: What is the Gogo / T-Mobile?

T-Mobile In-flight is a partnership with Gogo to provide in- flight wi-fi, unlimited messaging, and the ability to check visual voicemail on select airlines and flights at no additional cost.

When high speed in-flight wi-fi is available you will have access to the service at the gate.You can use in-flight wi-fi when the plane is over 10,000 feet.

The captain will give you the go-ahead to start texting if the wi-fi is available above the seat.

You're all set if you have a phone after January 2015.Make sure your device software is the latest version to avoid issues with In-flight.