When you change the phone number, the Telegram ID changes to which the service account is linked. To transfer data from your old account to a new one, contact Bitzlato support:

You will need to go through the verification procedure and provide the support service with information about the old account.

Verification can be followed by the link

In the verification reason section, select “Recover lost account”

During the account recovery procedure, all possible statistics are transmitted, including rating, balance and referrals.

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How to verify my account