How to Activate Your Travel eSIM When You Land: iPhone, Samsung, Pixel
eSIMtime
7 min read
0
Install your travel eSIM at home while you are on Wi-Fi, then switch it on when you land: choose it as the line for mobile data and turn on data roaming for it. Keep your home line for calls and texts with its data roaming off. Below are the steps for iPhone, Samsung Galaxy and Google Pixel phones, plus what to do if the connection does not start.
When to install and when to switch on
Installing an eSIM downloads a profile to your phone, so it needs an internet connection. Apple says the iPhone must be connected to Wi-Fi or a hotspot (source: Apple eSIM travel guide). Samsung asks for a Wi-Fi or mobile data connection before you add a plan (source: Samsung eSIM guide).
A good habit is to install the eSIM at home, then leave its line off until you land. Some plans start counting their validity from the first connection abroad and some from installation. This varies by provider, so check your plan details before you travel.
Before you buy, also make sure your phone supports eSIM and is not locked to a carrier. On iPhone, open Settings > General > About and look for "No SIM Restrictions" next to Carrier Lock (source: Apple eSIM travel guide).
Step 1: Install the eSIM
With eSIMtime you can skip these steps. After you buy, the assistant sends an installation link in the WhatsApp or Telegram chat. Tap the link, then tap Install now on the page that opens, and your phone starts installing the eSIM, with no QR code to scan. Follow your phone's prompts to finish. If you prefer, the assistant can also give you a QR code or a manual activation code.
Most providers give you a QR code, with manual entry as a backup. Menu names can vary by phone model and software version, so treat the labels below as a guide.
iPhone with a QR code
- Open the Camera app and scan the QR code. When the Cellular Plan Detected notification appears, tap it.
- Tap Continue at the bottom of the screen.
- Tap Add Cellular Plan.
- If you are asked for a confirmation code, enter the one your provider gave you.
If the QR code arrives on the same iPhone in Mail or a browser, iOS 17.4 and later let you tap and hold the code, then tap Add eSIM (source: Apple eSIM setup guide).
iPhone with manual entry
Open Settings, tap Cellular (or Mobile Data), tap Add Cellular Plan, then tap Enter Details Manually at the bottom of the screen (source: Apple eSIM setup guide).
Samsung Galaxy
- Go to Settings > Connections > SIM card manager.
- Tap Add mobile plan.
- Tap Add using QR code and scan the code, or tap Add using activation code and type the details.
- Wait while the plan downloads and activates.
These steps follow Samsung's own guide (source: Samsung eSIM guide). On some newer models the menu is called SIM manager.
Google Pixel
- Open Settings > Network & internet > SIMs.
- Tap Add SIM.
- Choose the option to set up an eSIM.
- Scan the QR code, or enter the code by hand.
When it is done, go back to SIMs and check that the new plan is switched on (source: Google Pixel SIM setup guide).
Step 2: Choose the data line and turn on roaming when you land
This is the step most people miss. With two lines on one phone, you tell the phone which one carries mobile data. An easy way to remember it: the eSIM handles data, your home line handles your number.
iPhone
- Make sure the travel eSIM line is turned on.
- Open Settings > Cellular > Cellular Data and tap the travel eSIM (source: Apple Dual SIM guide).
- In Settings > Cellular, tap the travel eSIM line, tap Cellular Data Options and turn on Data Roaming.
- Do the same for your home line, but turn its Data Roaming off (source: Apple data roaming guide).
On iOS 26 and later, your iPhone may show a Turn On Travel eSIM notification when you arrive. You can then choose Travel eSIM Only, or Travel eSIM and Current eSIM. If you keep both lines on, the travel eSIM is used for data, but Apple warns that you might still get roaming charges from your home line (source: Apple eSIM travel guide).
Samsung Galaxy
- Open Settings > Connections > SIM card manager, tap Mobile data and choose the travel eSIM (source: Samsung dual SIM guide).
- Open Settings > Connections > Mobile networks and turn on Data roaming (source: Samsung data roaming guide).
If the Data roaming switch is greyed out, turn on mobile data first in Settings > Connections > Data usage.
Google Pixel
- Open Settings > Network & internet > SIMs.
- Under Your primary SIMs, tap Mobile data and choose the travel eSIM (source: Google Pixel dual SIM guide).
- Open the travel eSIM in the same SIMs list and turn on its roaming switch. The exact label can vary between Android versions.
Other Android brands use similar SIM settings. Look for a SIM manager screen, choose the eSIM for mobile data and turn on roaming for it.
Keeping your home number reachable
A travel data eSIM usually has no phone number. Many travellers simply turn the home line off abroad. Others keep it on so they still get calls and texts on their own number, or use Wi-Fi Calling. If you keep it on, turn off data roaming for it, as shown above. Whether Wi-Fi Calling works abroad, and whether it costs anything, depends on your home carrier (guide: Wi-Fi Calling explained).
A safety net on iPhone: Allow Cellular Data Switching
A common mistake is to keep the home line on and forget to choose the eSIM for Cellular Data. Then the phone tries to use the home line for data, which is blocked because its roaming is off, and the internet does not work.
Apple describes Allow Cellular Data Switching as letting the iPhone use cellular data from both lines, depending on coverage and availability. You find it in Settings > Cellular > Cellular Data (source: Apple Dual SIM guide). Our support team recommends turning it on when you keep your home line on, as a backup in case the data line was not changed.
- Turn it on only when Data Roaming is off for your home line. With home roaming on, the phone could use your home plan abroad and you might be charged.
- It does not replace Step 2. Apple notes that some of this switching does not work while data roaming is in use, so always choose the travel eSIM as the data line first.
If there is no connection
Work through these in order. Each takes less than a minute.
- Check that the eSIM line is turned on and chosen for mobile data.
- Check that data roaming is on for the eSIM line.
- Turn Airplane Mode on for at least 15 seconds, then off again, and let the phone find a network.
- Restart the phone and wait a few minutes. The first connection to a network abroad can take a little time.
- On Android, if your provider gave you APN settings, enter them in the eSIM's Access Point Names screen.
- If nothing works, contact your eSIM provider's support.
Apple lists the same checks for SOS or No Service on iPhone, including Airplane Mode, a restart and data roaming (source: Apple No Service guide).
Quick checklist
| When | What to do |
| Before you buy | Check eSIM support and that the phone is not carrier locked |
| Before you leave | Install the eSIM on Wi-Fi and leave its line off |
| On arrival | Turn the eSIM on, choose it for mobile data, turn its data roaming on |
| Home line | Turn it off, or keep it on with data roaming off |
| No signal | Airplane Mode on and off, restart, check APN |
Frequently Asked Questions
Can I install my eSIM before I travel?
Yes, and it is the safest option because you are on reliable Wi-Fi. Install it at home and switch it on as your data line when you land.
Should data roaming be on or off?
Turn it on for the travel eSIM, because it uses partner networks abroad. Turn it off for your home line so it does not use your home plan abroad.
Will I lose my home number if I use a travel eSIM?
No. Adding a second line does not remove your home line. You can keep it on for calls and texts with its data roaming off.
What if the QR code does not scan?
Use manual entry with the activation details your provider sent. iPhone, Samsung and Pixel all offer this option.
Get connected with eSIMtime
eSIMtime is an eSIM provider that works entirely through chat and has been selling eSIMs through WhatsApp and Telegram since 2024. You can buy, install and manage your eSIM by chatting with its assistant, with no website or app needed. The assistant finds a plan for your destination and trip length, takes the payment and sends an installation link that installs your eSIM in a couple of taps, with no QR code to scan. It also answers questions and checks your remaining data 24/7.
Start a chat with the assistant:
Prefer the website? Useful pages:
Cover photo by Tumisu (Pixabay)