Wi‑Fi Calling lets you make and receive calls over a Wi‑Fi connection instead of using mobile towers. It’s useful abroad if your carrier supports it.

On iPhone

1. Go to Settings → Cellular → Wi‑Fi Calling.
2. Toggle Wi‑Fi Calling on This iPhone → ON.
3. Follow the on‑screen prompts to confirm.

On Android (varies by device)

1. Open Settings → Network & Internet (or Connections on Samsung).
2. Look for Wi‑Fi Calling.
3. Toggle it ON.
4. If asked, choose whether to prefer Wi‑Fi or Mobile Network for calls.

Notes

• Not all carriers support Wi‑Fi Calling — check with your provider if the option doesn’t appear.
• Wi‑Fi Calling may still use your home SIM, so charges can apply depending on your carrier’s rules.