As you can see in another thread, loads of us are having problems activating an eSIM. Contact Sky, see what they are currently saying. The SIM will fail to activate and they will probably tell you to get a new eSIM, which may or may not work.
The good news is that your contract does not start until the SIM is activated. The bad news is that if you have already ported your old number across, you can't yet use it.
I was lucky as I decided not to complete the port until I had a working SIM, so am just able to walk away from Sky
