If you do not need to keep your current mobile number, you can request a STAC from iD Mobile and give it to Superdrug Mobile.
You should receive a STAC code and information about any account charges.
Superdrug Mobile will use this to close your old service without transferring your old number.
Your old number will not move across. Only choose this route if you are happy to lose or stop using your current number.
When you are ready, visit Superdrug Mobile to continue your switch.
Visit Superdrug Mobile