Tab s7 text message app (AT&T) not working since August update Uncategorized August 25, 2021 Forums AndroidCentralLeave a Comment on Tab s7 text message app (AT&T) not working since August update I have the tab s7 AT&T. I can still make phone calls but I cant make or receive text messages anymore. It just stop working with that new update from this month. Does anyone else have this issue or can anyone help me with this issue? Sharing is caring!