D Dumbledore New member Sep 8, 2010 #1 So I have a new smartphone that I bought from somewhere else for full price, not from ATT online or retail store. do i still need to purchase the mandatory data plan or can i just put my SIM card in and be on my way?
So I have a new smartphone that I bought from somewhere else for full price, not from ATT online or retail store. do i still need to purchase the mandatory data plan or can i just put my SIM card in and be on my way?