You can change the phone number linked to your account in the Personal Center.
Procedure
1. Sign in to the official website of eSurfing Cloud, go to Me > Personal Center > Change phone number.
2. Select to verify through SMS verification code or email verification code.
3. After filling in the verification code, set up a new phone number and verify it. After entering the verification code, enter a new phone number and verify that the phone number can be used normally.