I. Changing Linked Mobile/Email (When Accessible)
Steps to Update
1.Log in to your BitDa account
2.Navigate to: Security Center → Account Binding
3.Please refer to [Self-Service Guide: Change/Unbind Authentication Methods] for more details：https://intercom.help/Bitda/en/articles/11008315-
II. Recovery Process for Inaccessible Authentication Methods
Unbinding Unusable Credentials
If your account is linked to both a mobile number and an email address, and one of them is still functional, you can request to unbind the inactive one.
Changing Primary Contact Method
If your account is linked to only a mobile number or an email address (but not both), you can only request for change instead.
Unbind Steps
Please use the email linked to your account and send the following information to the official customer support email [email protected]
Subject: Request to Unlink Mobile Number/Email from BitDa Account XXX
Required Information:
BitDa UID/Linked Email/Phone Number
Photos of the front and back of your ID card
Registration date
Common login device (PC/Phone model)
Common login region (City, Country)
Recent deposit transaction ID (TXID)
The types and quantities of assets in your account
A photo of your government-issued ID (front side) along with a handwritten statement.
The handwritten statement should include:
a. "I, [Full Legal Name], am requesting to unlink the mobile number/email from BitDa account XXX."
b. Signature: [Full Legal Name]
c. Date: [dd/mm/yyyy]
Change Steps
Please use the email linked to your account and send the following information to the official customer support email [email protected]
Subject: Request to Change Mobile Number/Email for BitDa Account XXX
Required Information:
BitDa UID/Linked Email/Phone Number
New mobile number/email to be linked
Photos of the front and back of your government-issued card
Registration date
Common login device (PC/Phone model)
Common login region (City, Country)
Recent deposit transaction ID (TXID)
The types and quantities of assets in your account
A photo of your government-issued ID card (front side) along with a handwritten statement.
The handwritten statement should include:
a. "I, [Full Legal Name], am requesting to change the mobile number/email for BitDa account XXX."
b. Signature: [Full Legal Name]
c. Date: [dd/mm/yyyy]
Specialists will review the submission within 24 hours. Once approved, they will assist with unlinking or changing. Please be patient while waiting.
Friendly Reminder:
Unband /change security items will restrict withdrawals for 24 hours.
Spot and futures trading will not be affected. Please be aware of this.