I’m trying to move my SIM from an iPhone 7 to an iPhone 12, which I’ve just set up. The only two options I get are to either transfer a number from my older phone over bluetooth, or use a QR code. However, the iPhone 7 is not running version 16 as required, and I don’t have a QR code. Can anyone help guide me how to get the iPhone 12 to recognise the transferred SIM? Thanks.