Yes—your phone must be carrier unlocked to use an eSIM from a different provider.
What does “carrier unlocked” mean?
An unlocked phone is not restricted to a specific mobile carrier. This allows you to use SIM cards (or eSIMs) from different providers.
How to check if your phone is carrier unlocked
- Contact your current carrier
- Insert a SIM card from another provider
- Check your device settings
What if my phone is locked?
If your phone is locked:
- You may not be able to install or use Ryoko eSIM
- You’ll need to request an unlock from your carrier