Carrier to use with Eseries

[peekay123]

@landersson, the onboard SIM is not and eSIM so can't be programmed.

Global network of cellular carriers

And to be clear, the Particle SIM on the E Series and Boron is not a programmable eUICC eSIM. It’s a MFF2 SIM, which is basically a regular SIM card, but in a SMD form-factor so it can be placed and soldered to the board. It can’t be reprogrammed.