Most people assume activating an eSIM is technical. It is not. The entire process takes less time than waiting in a coffee shop queue, and once you understand what each step actually involves, you will wonder why you ever bothered with a physical card. The confusion mostly comes from carriers and device manufacturers burying the instructions in menus that were clearly not designed with first-time users in mind. 

This guide walks you through exactly what to do, in order, so your phone is online before your trip begins.