Starting today, June 13, 2016, T-Mobile is offering its customers a FREE hour of in-flight Gogo Wifi and Unlimited texting on select messaging services for any domestic flight that offers Gogo. Any handset on the T-Mobile network with a valid phone number is eligible for this offer. Support unlimed messaging services include iMessage, WhatsApp, Google Hangouts, and Viber messaging. Phones that supports T-Mobile’s Wi-Fi Calling will also be allowed to send SMS, MMS, and access your visual voicemail for the entire flight as well.