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Is using eSIMAdventures easier than buying a local SIM card at Sofia (SOF) Airport, and is ID required for activation?

Updated April 22, 2026

Yes, unequivocally! Opting for an eSIMAdventures plan is significantly more convenient than purchasing a physical SIM card at Sofia (SOF) Airport. Local providers like A1, Yettel, or Vivacom require you to locate a kiosk, wait in line, and complete a mandatory passport registration, as per Bulgarian law. With eSIMAdventures, your plan is 100% digital, requires no physical ID checks, and can be activated remotely, saving you precious time upon arrival to begin your Bulgarian exploration immediately.

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