Why am I still being asked for an authentication code after removing my username from the Mobile Authenticator app?

Use IBKR Mobile Authentication (IB Key) for secure two-factor authentication when logging in. If you are an existing IBKR client and have already activated IBKR Mobile Authentication (IB Key) via IBKR Mobile, you do not have to take any action. Once IBKR Mobile Authentication (IB Key) has been activated on your mobile device, it will authenticate your login from both IBKR apps…

No, it is not permitted to register IBKR Mobile Authentication (IB Key) on a second device.

You may have the IBKR Mobile app installed simultaneously on multiple devices but the integrated authentication module (IBKR Mobile Authentication (IB Key)) can only be active on a single smartphone, on which you will complete the Two-Factor authentication tasks triggered from any other device…

No. While the IBKR Mobile App is compatible with both iPads and iPhones, the two-factor IBKR Mobile Authentication (IB Key) authentication module is designed to work exclusively on phones. Due to firmware differences between iPad and iPhone, IBKR Mobile Authentication (IB Key) is not supported on iPad…

Yes. We support M2FA (Multiple 2-Factor Authentication) for the Mobile Authenticator. Upon login to IBKR, you will be able to select which 2FA method to use from a drop-down menu…