Yes, this is a lifeline. South Africa has frequent, scheduled power cuts ("Load Shedding"), which instantly kills all Wi-Fi in hotels, Airbnbs, and cafes. Mobile towers, however, have backup batteries. An eSIM is the only reliable way to stay online, use Google Maps, or order an Uber when the power is out.
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Does mobile data work during "Load Shedding" (power cuts)?
Updated April 22, 2026
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