General FAQs

Invalid Google 2FA Code

Last updated: 11/19/2025

If the Google 2FA code is invalid, it may be caused by the following factors:

1. Please ensure you entered the 2FA code for the correct account if multiple accounts’ 2FA were bound to one phone;

2. The Google 2FA code is only valid for 30 seconds, please be sure to enter it within 30 seconds;

3. Please ensure the time of the Google Authenticator App on your phone is synchronized with the time of the Google server.

For IOS: Some phones need to be restarted after binding. Meanwhile, please turn on 24-Hour Time and Set Automatically in Settings > General > Date & Time. 

For Android: Click “setting">Click "Time Correction for Codes" - "Sync now"  . 

                                                                         

4. If you do not save the 2FA 16-digit secret key and get a failure to access your KuCoin account, please kindly read how to unbind google 2fa to unbind Google 2FA.