Changing from economy 7 meter

Hi. I am a bulb customer with an old economy 7 meter and storage heaters.

I have now removed the heaters and want to go onto a single rate meter.

Bulb say that I need to have a smart meter fitted but initially it will be set up as a 2 rate meter and then at some stage they will remotely change it to a single rate.

Has anyone on the forum had experience of doing this and was it a straight forward process.

Is there a better way to make the change.

Any advice would be much appreciated please.

Thanks