In case your smartphone is unable to receive IBKR Mobile notifications, you can still complete the login process using the IBKR Mobile Authentication (IB Key) Challenge/Response method, described on the following pages (according to your device operating system):
The same information applies to you if your phone has no Internet connectivity (you are in roaming, out of coverage, without an active mobile data plan, etc.)
If your smartphone is unable to receive IBKR Mobile notifications despite having Internet connectivity, we recommend you to perform the steps outlined in the IBKR Knowledge Base.