It is surprisingly reliable. Ukraine has a world-class network. Our eSIM connects to premium networks (like Kyivstar or Vodafone UA). Mobile towers have backup batteries and generators. When power cuts ("blackouts") kill all the Wi-Fi, this eSIM will often be your only connection. It is stable for WhatsApp, Signal, and Google Maps.
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Is 4G reliable in Kyiv/Lviv during war and power cuts?
Updated April 22, 2026
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