Update 3/20/20: Looks like Sprint is basically offering the same thing, not surprised considering the merger.
In response to COVID-19 T-Mobile has announced that all current T-Mobile customers on plans that offering data will be provided with unlimited data for the next 60 days. T-Mobile also announced that it will be providing customers with:
- An additional 20GB of mobile hotspot/tethering data for the next 60 days (starting soon)
- Increasing data allowance for free to schools and students
- Free international calling for all current T-Mobile customers to level 3 impacted countries