@Philrush just text ROAMING to 150 to enable roaming on your EE account. ( you can do this now ) Then before you fly out the UK ( the day before ) purchase the roam further add on. You only need that add on if your got your contract after the 7th of July 2021.
if your a PAYG customer you don’t need to do anything.
Have a look at THIS
To contact EE Customer Services dial 150 From your EE mobile or 0800 956 6000 from any other phone.
