FAQ

Get answers to frequently asked questions about using eSIM, from setup and compatibility to managing multiple profiles and troubleshooting connection issues.

All
Before you buy
Compatibility
Installation and setup
Troubleshooting
Use and administration

Which APN settings do I need for my device?

Error message: “PDP authentication failed”

Can I use my current phone number with an eSIM?

How do I use eSIM for my smartwatch?

Can I use an eSIM abroad?

Can I have multiple eSIM profiles on one device?

Can I make calls and send text messages with my eSIMony eSIM?

I lost the QR code of my eSIM. What can I do?

How can I check how much data I have left?

What is an activation code, and where can I find it?

How long is the duration of my eSIM?

Can I use an eSIM at the same time as a physical SIM card?

When will I receive my eSIM?

How many profiles can an eSIM save?

Can I keep my WhatsApp number?

What to do if my eSIM is not working?

How do I check the network coverage of my eSIM provider?

Error message “Mobile tariffs from this provider cannot be added”

How do I activate my eSIM?

Can I use tethering with an eSIM?

Error message “The change to the mobile phone tariff could not be completed”

What happens to unused data?

Which devices support eSIM?

What is the network coverage of eSIM worldwide?