Yes, absolutely. Senegal (even Dakar) can experience power fluctuations ("coupures"), which instantly kills all Wi-Fi in hotels and guesthouses. Mobile towers often run on backup generators. An eSIM is your lifeline, providing a stable connection for Google Maps and WhatsApp (essential for contacting drivers/guides) when all other internet sources fail.
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Is mobile data more reliable than hotel Wi-Fi (especially during power cuts)?
Updated April 22, 2026
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