CoreESIM enables convenient data top-ups using international credit cards, which is particularly advantageous in Russia where many local terminals do not process foreign-issued Visa or Mastercard. This online top-up capability ensures uninterrupted service for your CoreESIM data plan, circumventing potential payment hurdles with local Russian carriers and maintaining continuous connectivity without needing local currency or payment methods.
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Can I perform a CoreESIM data top-up using a non-Russian credit card while in Russia?
Updated April 22, 2026
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