Can I unbind an account from a second hand purchase?
No, only the original owner can unbind the account.
How to register for an account on the Segway-Ninebot Global App (Version 5.0+)
1. Click on Register
2. Enter your email address (or phone number if you selected "Register by phone number").
3. Tap the Verify button.
4. Enter the verification code that was sent to your email address or sent via text message if you selected "Register by phone number"
5. Enter your preferred password.
6. Tap on the Next button to complete the registration.