When do I put in the new SIM?

I am dumping AT&T (glory and hallelujah!). I have my new Ting SIM and have entered my activation info for my unlocked Iphone5. It says may take up to 24 hours. Can I continue using AT&T SIM card til it "de-activates" and then put in the Ting card? Or do I need to make the switch now and just wait til my phone activates? Do I leave my phone on or off? Sorry, the instructions were pretty sparse. Would appreciate help from anyone w/ experience doing this. Thanks.



1 comment
  • You can keep using your AT&T SIM until it switches over, then put the Ting Sim in to use.

    It can take anywhere from a few hours to 24 hours, so it might switch tonight.

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