I'm probably being stupid here, but please could someone who has done this explain how it works.
I finally replaced my 8 year old PAYG phone with a wonderful smart phone. I want to keep my old number from a different network, so as instructed, I rang the old supplier and requested a PAC code.
I then rang the new supplier on my new phone and gave the code and my old number to them. The gave me a date for it to transfer.
The transfer has now happened, but all it has done is transfer the sim on my old phone to the new supplier, not changed the number on my new contract phone.
What have I done wrong?