How to Set Up Your Travel eSIM Before You Leave

Friendly crocodile traveller getting a phone ready for an overseas trip

Set up your travel eSIM at home, while you have steady Wi-Fi and time to check each step. Then, when you land, you can switch your phone’s mobile data to your travel plan and get online without searching for a SIM shop.

Here’s how to get ready, from checking your phone to connecting at your destination.

Before you start

You’ll need an eSIM-compatible, unlocked phone, a stable Wi-Fi connection and the installation details sent with your plan. An eSIM is a digital SIM profile that you download to your phone. You don’t need to insert or swap a physical SIM card.

It’s also worth checking how your plan works before installing it. Coverage, data allowance, validity and activation rules can vary. Some plans start their validity when they connect to a supported network; others may have different instructions. Follow the terms provided for your specific plan.

Step 1: Check that your phone is eSIM-compatible

Check your exact phone model before buying. Compatibility can vary by model, country and mobile carrier, even within the same phone range. Your phone must also be unlocked if you want to use a travel eSIM from a provider other than your Australian carrier.

For iPhone, look in Settings > General > About and check Carrier Lock. “No SIM restrictions” means your phone is unlocked. Apple also provides guidance on using an eSIM while travelling internationally.

On Android, check your phone manufacturer’s support information or contact your mobile provider. On many phones, you can find SIM settings under Settings > Network & internet or Settings > Connections, but menu names vary. Google provides eSIM information for Pixel phones.

If you’re unsure, confirm your model and unlock status with your phone manufacturer or carrier before purchasing. This quick check can save you a last-minute setup problem.

Crocodile mascot pointing to a phone’s eSIM settings

Step 2: Choose and buy your travel plan

Choose a plan for the countries you’ll visit, then compare the data allowance and validity period with your itinerary. A short city break may need less data than a multi-week trip with frequent map use, video calls or hotspot sharing.

Before checkout, check:

Destination coverage: Make sure the plan includes every country where you want to use data.
Data and validity: Match the allowance and plan duration to your trip. Check whether validity starts at installation or when the plan first connects.
What’s included: Confirm whether the plan provides mobile data only, and check any limits on hotspot use or high-speed data.
Price and conditions: Review the total price and plan details before you buy.

Looking for the best eSIM for overseas travel? Start by matching coverage, data and validity to your trip, not just by choosing the largest allowance. You can browse OzESim travel eSIM plans and compare current options in Australian dollars.

Step 3: Find your QR code in your email

After you buy your plan, look for the order email with your eSIM QR code and installation instructions. Keep the email handy, and save the details somewhere you can access them while travelling. Your QR code contains private setup information, so don’t share it with anyone.

If possible, open the email on a different device, such as a laptop or tablet. That way, you can scan the QR code with your phone. If you only have one device, check whether your phone and plan support direct installation or manual setup. Follow the instructions supplied with your order.

Step 4: Install the eSIM over Wi-Fi

Install your eSIM before you leave, while you have a reliable Wi-Fi connection. The installation downloads the eSIM profile to your phone. It doesn’t always mean your plan’s validity starts immediately, so check the activation rules for your plan.

On iPhone: Open Settings > Cellular (or Mobile Service) > Add eSIM > Use QR Code. Scan the code and follow the prompts. Menu labels can vary with your iOS version. If your plan supports a direct-install link, you may be able to use that instead.

On Android: Open your SIM settings and look for Add eSIM, Add SIM or Download a SIM. Scan your QR code and follow the prompts. The exact steps depend on your phone model and Android version.

Give the new line a clear label, such as Travel or OzESim Travel, so it’s easy to identify later. Keep your home number available if you need it for calls or texts, but check your Australian carrier’s roaming charges. For help with the setup flow, visit the OzESim installation guide.

Phone scanning a generic eSIM setup code over Wi-Fi

Important: Don’t delete your eSIM after installing it

Once your travel eSIM is installed, leave it on your phone, even if you’re not using it yet. Don’t delete it to troubleshoot or tidy your SIM settings. You may not be able to reinstall it by scanning the same QR code again. If something isn’t working, check the settings or contact OzESim support before removing the eSIM.

Step 5: Connect when you land

When you arrive, turn off Airplane Mode and open your mobile settings. Select your travel eSIM as the line for mobile data. If the plan instructions require data roaming, switch it on for the travel eSIM only.

To help avoid unwanted charges, keep data roaming off for your Australian SIM. You can also turn off automatic data switching if your phone offers that option. Calls and texts on your home SIM may still incur charges overseas, so check your carrier’s terms if you plan to keep using it.

Give the phone a few minutes to connect, then test a webpage or messaging app. If you don’t get a signal, check that the travel line is switched on, selected for mobile data and covered in your destination. Follow your plan’s network and roaming instructions before changing other settings.

Crocodile traveller checking a phone’s mobile signal after landing

Quick checklist for Australian travellers

Before you head to the airport, make sure you have:

Confirmed that your phone is eSIM-compatible and unlocked.
Chosen a plan that covers your destination and trip length.
Found your QR code and setup instructions in your email.
Installed the eSIM using Wi-Fi.
Kept the installed eSIM on your phone.
Checked which line will handle mobile data when you land.
Reviewed roaming charges for your Australian SIM.

Setting up your eSIM before departure gives you one less thing to organise after landing. When you’re ready, compare OzESim plans for your destination, check the plan details and follow the instructions in your order email.