Is it possible to register in the Xanh SM taxi app in Vietnam with a Russian SIM card?

Yes, you can register with any SIM card, including a Russian one, without any issues. For this, in the app on the registration screen, as usual, select the country or specify the country code +7 for Russia, and then enter your number without the initial 8 or +7. The confirmation code will be sent to the WhatsApp account linked to that card.

If you want to learn more about taxis and other transportation in Vietnam for tourists, you can read our detailed guide based on personal travel experience here - https://nashaplaneta.net/asia/vietnam/art-vse-pro-transport-vo-vietname

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Follow the link, all these questions are discussed in the chat - https://t.me/vietnam_travel_chat