@RickAA If you're not expecting any incoming calls or texts, or were going to turn your phone off annyway, it doesn't actually matter when you switch your sim card.
The best scenario would be to use an additional compatible device so that both sim cards can be used at the same time. If you do this, make sure to keep your Rogers sim card in the original device becauae it could cause problems if you used IMEI as porting information.
The reason for wanting to keep your Rogers sim in your device is so that you don't miss any texts coming from non-Telus customers and so that you won't miss your incoming calls.
The reason for having your Public Mobile sim in a compatible phone has to do with incoming text mesaages from Telus customers will be sent here. In addition, you won't know when the transfer is complete if you aren't using your Public Mobile sim card unless you check to see if your Rogers service has stopped working. When porting is complete, text messages from non-Telus customers will start being routed here as well as any incoming phone calls. Public Mobile also sends a text message informing of when porting is complete (although I'm aware that it isn't always received).
