AT&T is scheduled Tuesday 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
AT&T is scheduled Tuesday 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