> For the complete documentation index, see [llms.txt](https://help.cards.gomining.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.cards.gomining.com/instructions/change-email-or-phone-number.md).

# Change email or phone number

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Your email and phone number used for your GoMining Card come from the information you provided during **KYC Level 2** verification. These details are required for card operations such as SMS PIN delivery, 3DS authentication, and security checks.
{% endhint %}

Your email or phone number cannot be changed directly in the app.

If you need to update your email or phone number, please contact our support team at <support@gomining.com>.