Yes, for speed and security. While the historic center offers some "free" public Wi-Fi, it is notoriously slow, congested with thousands of other day-trippers, and insecure. A personal eSIM gives you a private, fast 4G connection, which is essential for uploading your photos from the Three Towers (Guaita, Cesta) or using WhatsApp, without fighting for bandwidth.
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Is mobile data better than the free Wi-Fi in the Old Town?
Updated April 22, 2026
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