How to avoid roaming charges when leaving Portugal?
Practical tips to prevent mobile roaming fees when you travel: check your operator's roaming rules and any EU allowances, disable data roaming and use Wi‑Fi where possible, buy an international or local SIM/eSIM or a roaming bundle before departure, ensure your phone is unlocked, use messaging apps for calls and texts, and monitor usage and billing alerts.
Diário de Notícias
