Whether you’re moving long-term, studying abroad, or just landed as a digital nomad, having reliable mobile service in Portugal is non-negotiable . This guide breaks down the best mobile providers, SIM card options, and expat-specific advice for choosing the right plan — especially if you’re settling in Lisbon, Porto, or the Algarve in 2025. 🔝 Top Mobile Providers in Portugal (2025) Provider Known For Best For MEO Largest network, wide coverage Expats in rural areas NOS Hig