Activation guide · 2026
eSIM Activation Guide
Step-by-step instructions for activating a travel eSIM on iPhone, Samsung Galaxy, and Google Pixel. Works with all four providers we compare. Takes under 2 minutes.
Prerequisites
Before you start
eSIM-compatible phone
iPhone XS+, Samsung Galaxy S20+, or Google Pixel 3+. Check our compatible phones list.
Carrier-unlocked
Your phone must be unlocked. Contact your carrier to confirm or use our unlocking guide.
Wi-Fi connection
You need internet access to download the eSIM profile. Home Wi-Fi is most reliable.
QR code ready
Have the QR code from your eSIM provider ready. Check your email or the provider app.
iPhone
Activate eSIM on iPhone
- 01
Open Settings
Go to Settings > Cellular > Add Cellular Plan (iOS 16) or Add eSIM (iOS 17+).
- 02
Scan QR code
Point your camera at the QR code from your provider. The eSIM profile downloads automatically.
- 03
Label the plan
Name it 'Travel Data' or your destination name. This helps you identify it in Settings.
- 04
Set as data line
Go to Cellular > Cellular Data and select the travel eSIM. Toggle on Data Roaming for that line.
Samsung
Activate eSIM on Samsung Galaxy
- 01
Open Settings
Go to Settings > Connections > SIM Manager > Add eSIM.
- 02
Scan QR code
Select 'Scan QR code from service provider' and point your camera at the code.
- 03
Download profile
The eSIM profile downloads. Tap 'Confirm' to add it. Name it for easy identification.
- 04
Activate data
In SIM Manager, set the travel eSIM as your mobile data SIM. Enable Data Roaming in Mobile Networks.
Pixel
Activate eSIM on Google Pixel
- 01
Open Settings
Go to Settings > Network & internet > SIMs > Add SIM (or '+').
- 02
Choose method
Select 'Download a SIM instead'. Point your camera at the QR code when prompted.
- 03
Confirm download
The eSIM profile downloads. Review the carrier name and confirm to add it.
- 04
Set as data
In SIM settings, select the travel eSIM for mobile data. Enable roaming for the travel SIM.
Troubleshooting
Common activation issues
QR code won't scan
Make sure your camera is focused and the QR code is well-lit. Try entering the activation details manually instead.
Profile download fails
Check your Wi-Fi connection. Restart your phone and try again. If the QR code is single-use and was already scanned, contact your provider for a new one.
No network after activation
Confirm the eSIM is set as your active data line. Toggle Airplane Mode on and off. Make sure Data Roaming is enabled for the travel eSIM.
'Carrier-locked' error
Your phone is locked to a carrier. Contact your carrier to request an unlock before using a travel eSIM.
FAQ
Activation FAQ
How long does eSIM activation take?
How long does eSIM activation take?
eSIM activation takes under 2 minutes on most phones. The QR code scan is instant, and the profile downloads in 10-30 seconds over Wi-Fi. The eSIM connects to local networks within seconds of arriving at your destination.
Should I activate my eSIM before or after flying?
Should I activate my eSIM before or after flying?
Install the eSIM before you fly while on home Wi-Fi. The eSIM will not start using data until you arrive and connect to a local network. Installing early avoids relying on airport Wi-Fi.
What if my eSIM won't activate?
What if my eSIM won't activate?
Check three things: 1) Your phone is carrier-unlocked. 2) You have a stable internet connection. 3) Airplane mode is off. If it still fails, restart your phone and try again. Contact your provider's support as a last resort.
Do I need Wi-Fi to activate an eSIM?
Do I need Wi-Fi to activate an eSIM?
Yes. You need an internet connection to download the eSIM profile. Wi-Fi is recommended. You can also use mobile data from your existing SIM, but Wi-Fi is more reliable.
Can I activate an eSIM without a QR code?
Can I activate an eSIM without a QR code?
Some providers (Airalo, Saily) support direct in-app activation without scanning a QR code. You can also manually enter the activation details (SM-DP+ address and activation code) instead of scanning.