We haven’t received any official numbers on Apple’s launch of the iPad Air last Friday, but today T-Mobile is offering a little bit of insight into how its first iPad launch went. T-Mobile tells AllThingsD that it sold more tablets on iPad Air launch day last Friday than it managed to during the entire last quarter.

The boost in tablet sales on iPad Air launch day could have been helped along by the carrier’s new offer of 200MB of free data with all tablets, including iPads. There was a bit of confusion around the deal and whether or not customers required a paid plan to access the data, but T-Mobile has since clarified that the offer is available to all customers:

CEO John Legere told AllThingsD that he and his team have been actively trying to reassure customers that free really does mean free. “There was a feeling by a small group of people, especially in social media, that it was a bait and switch,” Legere said. “I was very concerned.”

AT&T also announced somewhat vague numbers for its iPad Air launch yesterday. The carrier said it experienced a 200% increase in iPad activations last Friday compared with the iPad 4 and iPad mini launch. Not exactly a fair comparison given last year’s launch included only a refreshed iPad 4 and a soft launch for cellular models following Apple’s initial launch weekend for the WiFi only models. Last year Apple announced combined first weekend sales of three million units for the iPad mini and fourth generation iPad. Those three million units didn’t include cellular models, however, which Apple and AT&T ended up selling a couple weeks later.

Earlier today T-Mobile reported its Q3 earnings with iPhones sales accounting for just 10% of total smartphone sales a couple weeks into selling the iPhone 5s and 5c. It didn’t provide any specific numbers on tablets.