You don’t have to choose between saving money on data and staying reachable on your home number. With MobiMatter, you can use both at the same time.
1. Keep Your Primary Number Active
Most modern phones support Dual SIM technology. This allows you to keep your home SIM (physical or eSIM) active for calls and SMS while using your MobiMatter eSIM specifically for data.
For WhatsApp: You don’t need to do anything! WhatsApp is tied to your phone number, not your data connection. As long as you don't "Change Number" in the WhatsApp settings, your chats and profile stay exactly as they are.
For iMessage & FaceTime: Keep your primary line "On" in your settings to ensure your Apple services remain linked to your original number.
2. Configure Your Settings
To avoid unexpected roaming charges from your home provider, follow these steps once you land:
Default Voice Line: Set this to your Primary/Home SIM.
Cellular Data: Set this to your MobiMatter eSIM.
Data Roaming: Turn this OFF for your Primary SIM and ON for your MobiMatter eSIM