The sun is setting on 3G networks. Ted/Flickr, CC BY-NC Mai Vu, Tufts University On Feb. 22, 2022, AT&T is scheduled to turn off its 3G cellular network. T-Mobile is scheduled to turn its off on July 1, 2022, and Verizon is slated to follow suit on Dec. 31, 2022. The vast majority of cellphones […]