AT&T
AT&T has removed usage caps for its home broadband internet service. Public wifi hotspots are open to everyone.
Comcast
Xfinity Wifi hotspots accessible for free to everyone, including non-Xfinity Internet customers.For the company's Internet Essentials program, which services low-income families, new customers will have access to the program for free for 60 days. Comcast has also permanently increased the base Internet speed for all existing and new Internet Essential customers.
Sprint
Sprint is upgrading customers with existing data plans to unlimited date for 60 days. Customers will also have access to an additional 20GB of mobile hotspot data for free.
T-Mobile
T-Mobile is upgrading customers to free unlimited smartphone data for the next 60 days if they already have a phone plan that includes data.