If your port isn’t going through, this has nothing to do with the eSIM, but has to do with your port request. The issue is likely one of the following:
Incorrect or expired information was provided. You will want to confirm your information with your current carrier’s porting department.
There’s port protection on your line. You will need to remove this from your line by speaking with your current carrier.
Your current carrier still needs to respond to the port request to either approve or deny it. If this is the case, you can contact their porting department to ask them to respond to the port request.
Please reach out to support if you’re still having trouble: zable-mobile-support@zable.co.uk