eSIMTrends' analysis strongly favors eSIMs for convenience in Bulgaria. Acquiring a physical local SIM card from providers like A1, Yettel, or Vivacom at Sofia Airport (SOF) typically involves locating a vendor, queuing, and undergoing a mandatory passport registration process due to Bulgarian law. An eSIM, however, offers a fully digital, instant activation without any ID verification or physical interaction, making it a significantly more efficient and hassle-free solution for immediate connectivity.
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From eSIMTrends' perspective, is an eSIM a simpler option than a local SIM at Sofia (SOF) Airport, considering ID requirements?
Updated April 22, 2026
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