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.
Check these two things before anything else
The activation process only works if your device is eSIM compatible and carrier-unlocked. Most iPhones from XS onward support eSIM, as do Samsung Galaxy S20 and newer, and Google Pixel 3 and above.
The fastest check: go to Settings, then About, and look for an EID number. If it is there, your phone supports eSIM.
The unlocked part matters more than people realize. A locked phone will download the profile but block it from connecting to any network outside your home carrier, which defeats the purpose entirely. Confirm with your carrier before purchasing any plan.
The actual activation steps, in plain language
Purchase your travel eSIM plan, and you will receive either a QR code by email or a manual activation code.
On iPhone, go to Settings, then Mobile Data, then Add eSIM.
On Android, go to Settings, then Connections, then SIM Card Manager, then Add Mobile Plan. Point your camera at the QR code when prompted.
Your phone connects to the carrier's provisioning server, pulls your encrypted profile, and installs it automatically.
The entire process runs under two minutes on a stable Wi-Fi connection. Once installed, label the plan clearly in your settings so you know exactly which profile to activate when you land.
The one step most people skip
Set your eSIM to active before you board, not after you land. Switching profiles mid-flight or at arrivals occasionally triggers a network registration delay of up to 15 minutes. For eSIM for international travel, activating your plan while still on home Wi-Fi means you step off the plane with your phone already connecting to a local tower. No wait, no kiosk, no troubleshooting on zero sleep required.
What travelers keep using, again and again
Jetpac makes the post-activation experience just as seamless as the setup itself:
One eSIM, every destination: Buy it once, top it up before your next trip, and you're good to go across 200+ countries.
Stays connected no matter what: Their multi-network technology jumps between signals so your phone never goes dark.
What you pay is what you pay: A Jetpac eSIM lets you pay full cost upfront, nothing buried in the fine print, and typically 70% less than what your home carrier would charge.
Hotspot with zero restrictions: Tether as many devices as you need without hitting a wall or getting throttled.
The apps that matter most stay live: Even on an empty data balance, Uber, WhatsApp, and Google Maps keep working.
Calls and 5G where it counts: Voice calls out and 5G speeds available in 50+ countries, starting at $1.99 for every 5 minutes.
A dedicated customer support team: Whether it is 2 am or mid-afternoon, wherever you are, the support team is on WhatsApp and email around the clock