Russian version of the article is available here

Phone number and email are unique customer profile identifiers in our platform. Thus, one has to use a unique phone number and email to register a customer's profile. This is in full compliance with client data confidentiality.

If a customer wants to update their profile email or phone number this can be done from their account > ”Profile” section.

A customer can only use a phone number and/or email that are not linked to any other customer profiles.

If an email is linked to another account, the customer will be offered to merge 2 accounts into one single account:

If the phone number is linked to another account, the customer will be offered to merge 2 accounts into one single account as well:

 

To disable a customer's profile consult the article How to delete a customer's profile.

Consult the article Customer account logic to get details on the customer profile concept.

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