I was wondering what happens with messages on your computer and your ipad, if you switch your phone to an old Nokia (for example). Are you still able to send and receive on the computer and ipad until you put the sim back? Or does the lack of connection to the iMessage server with your phone number mean you lose all messages capacity.
Just not sure. I need to use my old phone for a day or two but may run two phones if it means I cant have messages working on my other devices. I do realise that I'll only be getting ordinary SMS from people who would normally be sending via iMessage, where phones are involved. but what about the rest?