A:Answeryes and no.A sim card is not necessary.
But, it will run the setup and install updates before you have a chance to turn off the auto updates option
A:AnswerYES! That’s exactly what we used prepaid ATT phone for. I just took the Cricket SIM card out of the old phone and put it in the new ATT prepaid phone. No problems. I received a Cricket text on the phone that updates the settings for the Cricket connection.
