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Two-factor authentication whilst travelling: how not to lose access

Two-factor authentication whilst travelling: how not to lose access. A practical guide: recovery codes, the app and answers to frequently asked questions.

Two-factor authentication whilst travelling: how not to lose access
Article contents

    Mistakes usually occur because of rushing, repeating an action or misreading a status, so start by checking everything calmly. When travelling abroad, your mobile phone acts as your ticket, map, bank access and address book all in one. You should therefore check all your settings at home and back up any critical data using a secure offline method.

    What to do before your trip

    Update your apps, set up a screen lock, enable ‘Find My Device’, and keep your backup codes separate from your phone. Check that the features you need work without Wi-Fi. Do not use public networks for high-risk operations if you can postpone them until you have a secure connection.

    • Recovery codes
    • App
    • SMS
    • spare device
    Двофакторна автентифікація в подорожі: як не втратити доступ: підготовка до поїздки

    Step-by-step guide

    Compare the information on your ticket, in the message and in your official account. Write down any discrepancies word for word: this will save you having to explain them to the operator and help identify the cause more quickly.

    Until the verification is complete, keep all confirmations and do not delete any messages, even if they appear to be duplicates.

    Двофакторна автентифікація в подорожі: як не втратити доступ: контрольна перевірка

    Useful links

    Read more about protecting your streaming account, emergency contacts and photos of documents. Current flights are available on RedRay. For rules, which may change, refer to the European Commission’s official section on cybersecurity and the official resources of your destination country. Sources verified on 6 September 2026.

    Questions and Answers

    Recovery codes: where can I find them?

    Keep your recovery codes in a secure place that is independent of your main phone.

    App: what should you do?

    Check that you have transferred your authentication app before travelling, without deleting your old access details prematurely.

    SMS: how do I check?

    SMS should not be your only means of recovery if your number might lose network coverage.

    Back-up device: when should you prepare it?

    For important services, add an up-to-date backup contact and check the recovery procedure.