esim transfer to new phone

It should work automatically w/ most major carriers.

However, some common sense preps can help set you up for success.

1) Perform the change in an area w/ strong mobile network coverage.

2) Perform the change in an area w/ strong WiFi coverage

3) Have an alternate phone line readily available to use if something goes awry.

See more here:

Transfer or convert your current SIM to an eSIM on your new iPhone - Apple Support

You should be able to set up the new iPhone when you are transferring the data from your old phone and activate the new eSIM without going into the store. If you have a problem your cell phone provider can help you remotely.