eSIM for São Tomé and Príncipe — Instant 4G/5G Data Plans

Travelling to São Tomé and Príncipe? A MobiSIM eSIM for São Tomé and Príncipe gives you a convenient way to stay connected in this remote but beautiful Gulf of Guinea island nation without needing a physical SIM card. Whether you are visiting São Tomé city, Neves, Santana, Trindade, Santo António on Príncipe, or exploring cocoa plantations, volcanic peaks, pristine beaches, and rainforest reserves, MobiSIM provides mobile data for maps, lodge bookings, messaging, travel updates, and staying in touch during your trip. Choose a MobiSIM eSIM data plan for São Tomé and Príncipe and get 4G/5G coverage where available through supported local networks. Activation is digital: after purchase, your QR code is delivered by email, then you scan it and follow the on-screen steps to activate your eSIM. Your existing SIM can remain active for calls while MobiSIM handles your data.

São Tomé and Príncipe's mobile network is served by CST (Companhia Santomense de Telecomunicações) and Unitel T+. 4G LTE coverage is available in São Tomé city and expanding to main coastal towns on the main island. The rainforest interior of São Tomé including the Obô Natural Park, volcanic peaks, and more remote southern areas have limited or no coverage. Príncipe Island, the smaller and more remote of the two main islands, has basic coverage in Santo António town, with signal weakening in the national park interior and around the island's pristine beaches and cacao estates. MobiSIM connects through supported local networks to deliver the best available data during your stay across São Tomé and Príncipe's main areas.