Where do you need internet?
Unlimited data,
wherever you travel
Affordable, fast, and reliable mobile data packs that are super easy to set up and work in 190+ countries and regions.
Destinations
- Popular
- Country
- Region
How does MobiWonder’s eSIM work

Step 1
Choose a Destination
Purchase data plan in the country or region where you need connectivity.

Step 2
Redeem your eSIM
Enter the serial number emailed to you to access your eSIM QR code.

Step 3
Activate eSIM
Add the eSIM to your device by scanning the QR code or enter the activation code.
What our customers say
Frequently Asked Questions (FAQs)
How to download eSIM after purchase?
System will send you the QR code to download eSIM through the email you provided.
How to do if I didn’t receive the QR code to download eSIM?
Please contact our Customer Service through +852 39756662 / or send email to cs@cmlink.com to resend the QR code.
Can I download eSIM profile to different handset?
No, each eSIM can only download in one handset.
Why cannot “Add Data Plan” after scanned QR code?
Please ensure the handset is connected to WiFi and retry.
How to switch the mobile date to eSIM?
Please check the Mobile Data is turned on, then select “Mobile Data – Data Plans – Turn On This Line”. If the problem still persists, please contact our Customer Service team.
How to check ICCID?
If the Mobile Data is turned on, please check the ICCID in “General – About – ESIM”.
I already activated the eSIM, but the handset cannot connect to mobile data, what can I do?
Please restart your handset or upgrade the iOS version to retry.
Why I cannot share hotspot with eSIM?
Due to different handset version, if you face hotspot sharing issue with your eSIM, please follow below steps:
- Ensure your phone is not a contract or locked phone
- Switch off the VPN
- Switch on the data roaming
- Set the eSIM as primary
- Ensure the iOS latest version is installed
- Use a physical SIM to connect to Internet, then switch on the personal hotspot function, then switch to connect Internet using eSIM. Please retry several times and restart handset.
- If the problem still persists, please contact our Customer Service team.