Should you turn on data roaming for a travel eSIM? (Yes, here is why)
2026-11-04 · goAFK
Short answer
- Yes: turn data roaming ON for the travel eSIM. It uses local partner networks, which counts as roaming for the eSIM.
- It costs nothing extra: you only use the data you paid for in the plan.
- Turn data roaming OFF on your home SIM, so your home operator never charges roaming fees.
Why a travel eSIM needs data roaming
A travel eSIM is issued by an operator that has agreements with local networks in each country. Your phone sees the local network as a "roaming" network for the eSIM. If data roaming is off for that line, the phone refuses to use mobile data and you see full bars but no internet.
iPhone
- Settings → Mobile Service → tap the travel eSIM → Data Roaming ON.
- Settings → Mobile Service → tap your home SIM → Data Roaming OFF.
- Settings → Mobile Service → Mobile Data → choose the travel eSIM, and turn off "Allow Mobile Data Switching".
Android (Samsung, Pixel, Xiaomi)
- Choose the eSIM for mobile data in the SIM manager.
- Samsung: Settings → Connections → Mobile networks → Data roaming (applies to the data SIM).
- Pixel: Settings → Network & internet → SIMs → the eSIM → Roaming ON; the home SIM → Roaming OFF.
Will my home operator charge me?
Not if data roaming is off on your home SIM and mobile data is set to the travel eSIM. Calls and SMS to your home number may still be charged by your home operator at its roaming rates when you answer or send them; incoming SMS is usually free.